PUBLICATION

Explore our contributions to top-tier journals and conferences, reflecting our commitment to advancing knowledge and solving real-world challenges through data.
Dive into our published works to see how we're driving data-driven innovation.

Journal papers

No.	Publication
1	C.-T. Chen, C. Lee, S.-H. Huang , and W.-C. Peng, ``Credit Card Fraud Detection via Intelligent Sampling and Self-supervised", ACM Trans. on Intelligent Systems and Technology (to appear).
2	C.-W. Kuo, B.-Y. Chen, C.-C. Hung, W.-C. Peng, and H.-N. Su, ``Correlation-Aware Graph Data Augmentation with Implicit and Explicit Neighbors", ACM Trans. on Knowledge from Data (to appear).
3	Guanyao Li, Shuhan Zhong, S.-H. Gary Chan, Ruiyuan Li, C.-C. Hung, W.-C. Peng, ``A Lightweight and Accurate Spatial-Temporal Transformer for Traffic Forecasting", IEEE Trans. on Knowledge and Data Engineering, Vol. 35, No. 11, pp. 10967-10980, 2023.
4	W.-Y. Wang, T.-F. Chan, W.-C. Peng, H.-K. Yang, C.-C. Wang and Y.-C. Fan, ``How Is the Stroke? Inferring Shot Influence in Badminton Matches via Long Short-term Dependencies," ACM Trans. on Intelligent Systems and Technology, Vol. 14, No. 1, pp1-22, 2022.
5	Y. T. Wen, H.-K. Yang, W.-C. Peng, ``Mining Willing-to-Pay Behavior Patterns from Payment Datasets", ACM Trans. on Intelligent Systems and Technology, Vol. 13, No. 1, pp.14:1-14:19, 2022.
6	Y.-C. Tseng, M.-H. Yang, Y.-C. Fan, W.-C. Peng, C.-C. Hung , ``Template-Based Headline Generator for Multiple Documents," IEEE Access, Vol. 10, pp. 114-123, 2022.
7	L.-P. Xiao, P.-R. Lei, W.-C. Peng, ``Hybrid Embedding of Multi-Behavior Network and Product-Content Knowledge Graph for Tourism Product Recommendation," Journal of Information Science and Engineering, Vol. 38, No. 3, pp. 547-570, 2022.
8	Gunarto Sindoro Njoo, K.-W. Hsu, W.-C. Peng, ``Distinguishing friends from strangers in location-based social networks using co-location," Pervasive and Mobile Computing, Vol. 50, pp. 114-123, 2018.
9	C.-C. Chen, K.-W. Hsu and W.-C. Peng, ``Exploring Communication Behaviors of Users to Target Potential Users in Mobile Social Networks", ACM Trans. on Intelligent Systems and Technology, Vol. 8 No. 6, pp. 1-22, 2017.
10	Y.-T. Wen, Jinyoung Yeo, K.-J. Cho, W.-C. Peng and Seungwon Hwang,``Efficient Keyword-aware Representative Travel Route Recommendation," IEEE Trans. on Knowledge and Data Engineering, Vol. 29, No. 8, pp. 1639-1652, 2017.
11	W.-Y. Zhu, W.-C. Peng, L.-J. Chen, Kevin Zheng and Xiaofeng Zhou,``Exploiting Viral Marketing for Location Promotion in Location-based Social Networks", ACM Trans. on Knowledge Discovery from Data, Vol. 12, No. 2, Article No. 25, 2016.
12	L. Chen, X. Li, Q. Z. Sheng, W.-C. Peng, John Bennett, H.-Y. Hu and Nicole Hung, ``Mining Health Examination Records by A Graph-based Approach", IEEE Trans. on Knowledge and Data Engineering, Vol. 28, No. 9, pp. 2423-2437, 2016.
13	C.-C. Chen, M.-F. Chiang and W.-C. Peng,``Mining and Clustering Mobility Evolution Patterns from Social Media for Urban Informatics", Knowledge and Information Systems, Vol. 47, No. 2, pp. 381-403, 2016.
14	Y.-C. Chen, W.-C. Peng, and S.-Y. Lee, ``Mining Temporal Patterns in Time Interval-based Data", IEEE Trans. on Knowledge and Data Engineering, Vol. 27, No. 12, pp. 3318-3331, 2015.
15	Y.-C. Chen, W.-C. Peng, J.-L. Huang and W.-C. Lee,``Significant Correlation Pattern Mining in Smart Homes", ACM Trans. on Intelligent Systems and Technology, Vol 6, No. 3, pp. 35-43, 2015.
16	L.-Y. Wei, K.-P. Chang and W.-C. Peng,``Discovering Pattern-aware Routes from Trajectories," Distributed and Parallel Databases, Vol. 33, No. 2, pp. 201-226, 2015.
17	C.-C. Hung, W.-C. Peng, and W.-C. Lee, ``Clustering and Aggregating Clues of Trajectories for Mining Trajectory Patterns and Routes," The VLDB Journal, Vol. 24, No. 2, pp. 169-192, 2015.
18	W.-Y. Zhu, W.-C. Peng, C.-C. Hung, P. -R. Lai and L.-J. Chen,``Exploring Sequential Probability Tree for Movement-based Community Discovery," IEEE Trans. on Knowledge and Data Engineering, Vol. 26, No.11, pp. 2717-2730, 2014.
19	Y.-C. Chen, W.-C. Peng, W.-C. Lee and S.-Y. Lee, ``CIM: Community-based Influence Maximization in Social Networks," ACM Trans. on Intelligent Systems and Technology, Vol. 5, No. 2, 2014.
20	L.-Y. Wei, Y.-T. Hsu, W.-C. Peng, and W.-C. Lee, `` Indexing Spatial Data in Cloud Data Managements," Pervasive and Mobile Computing, Vol. 15, pp.48-61, 2014.
21	L.-A Tang, Y. Zheng, J. Yuan, Jiawei Han, Alice Leung, W.-C. Peng, Thomas La Porta, Lance Kaplan, ``A Framework of Traveling Companion Discovery on Trajectory Data Streams," ACM Transactions on Intelligent Systems and Technology, Vol. 5, No. 1, 2013.
22	M.-F. Chiang, J.-L., Wang, W.-C. Peng, M.-K. Shan, and J.-J. Liou ``Exploring Heterogeneous Information Networks and Random Walk with Restart for Academic Search," Knowledge and Information Systems, Vol. 36, No. 1, pp. 59-82, 2013.
23	L.-Y. Wei and W.-C. Peng, ``An Incremental Algorithm for Clustering Spatial Data Streams: Exploring Temporal Locality," Knowledge and Information Systems, Vol. 37, No. 2, pp. 457-483, 2013 .
24	P. -R. Lai, S.-C. Li and W.-C. Peng, ``QS-STT: QuadSection Clustering and Spatial-Temporal Trajectory Model for Location Prediction," Distributed and Parallel Databases, Vol. 31, No. 2, pp. 231-258, 2013.
25	L.-Y. Wei, W.-C. Peng, and W.-C. Lee, `` Exploring Pattern-Aware Travel Routes for Trajectory Search," ACM Transactions on Intelligent Systems and Technology, Vol. 3, No. 3, Paper No. 48, 2013.
26	Y.-C. Chen, S.-H. Chang, W.-C. Peng and S.-Y. Lee, ``Efficient Algorithms for Influence Maximization in Social Networks," Knowledge and Information Systems, Vol. 33, No. 3, pp. 577-601, 2012.
27	L.-A Tang, X. Yu, Sangkyum Kim, Jiawei Han, W.-C. Peng, Yizhou Sun, Alice Leung and Thomas F. La Porta, ``Multidimensional Sensor Data Analysis in Cyber-Physical System: An Atypical Cube Approach," International Journal of Distributed Sensor Networks, Vol. 12, Article No. 724846, 2012.
28	M.-F. Chiang, W.-C. Peng, and Philip S. Yu, ``Exploring Latent Browsing Relation Graph for Question Answering Recommendation," World Wide Web Journal, Vol. 15, No. 6, pp. 603-630, 2012.
29	C.-C. Hung, W.-C. Peng, and W.-C. Lee, ``Energy-Aware Set-Covering Approaches for Approximate Data Collection in Wireless Sensor Networks," IEEE Trans. on Knowledge and Data Engineering, Vol. 24, No. 11, pp. 1993-2007, 2012.
30	Z.-X. Liao and W.-C. Peng, ``Clustering Spatial Data with a Geographic Constraint: Exploring Local Search," Knowledge and Information Systems, Vol. 31, No. 1, pp. 153-170, 2012.
31	P.-R. Lei, W.-C. Peng I.-J. Su,`` Dummy-based Schemes for Protecting Movement Trajectories," Journal of Information Science and Engineering, Vol. 28, No. 1, pp. 197-214, 2012.
32	C.-C. Hung and W.-C. Peng,``Optimizing In-Network Aggregate Queries in Wireless Sensor Networks for Energy Saving," Data and Knowledge Engineering, Vol. 70, No. 7, pp. 617-641, 2011.
33	C.-C. Hung and W.-C. Peng, ``A Regression-based Approach for Mining User Movement Patterns from Random Sample Data," Data and Knowledge Engineering, Vol. 70, No. 1, pp. 1-20, 2011.
34	Y.-C. Wang, W.-C. Peng and Y.-C. Tseng, ``Energy-Balanced Dispatch of Mobile Sensors in a Hybrid Wireless Sensor Network," IEEE Trans. on Parallel and Distributed Systems, Vol. 21, No. 12, pp. 1836-1850, 2010.
35	T.-Y. Fu, W.-C. Peng and W.-C. Lee, ``Parallelizing Itinerary-based KNN Query Processing in Wireless Sensor Networks," IEEE Trans. on Knowledge and Data Engineering, Vol. 22, No. 5, pp. 711-729, 2010.
36	W.-C. Peng and Z.-X. Liao, ``Mining Sequential Patterns Across Multiple Sequence Databases," Data and Knowledge Engineering, Vol. 68, No. 10, pp. 1014-1033, 2009.
37	C.-Y. Lin, Y.-C. Tseng, T.-H. Lai and W.-C. Peng, ``Message-efficient In-network Location Management in a Multi-sink Wireless Sensor Network,"International Journal of Sensor Networks, Vol. 3, No. 1, pp. 3-15, 2008.
38	Y.-P. Chen, W.-C. Peng and M.-C. Jian, ``Particle swarm optimization with recombination and dynamic linkage discovery," IEEE Trans. on Systems, Man, and Cybernetics–Part B: Cybernetics, Vol. 37, No. 6, pp. 1460-1470, December 2007.
39	C.-Y. Lin, W.-C. Peng and Y.-C. Tseng, ``Efficient In-Network Moving Object Tracking in Wireless Sensor Networks," IEEE Trans. on Mobile Computing, Vol. 5, No. 8, pp. 1044-1056, August 2006.
40	J.-L. Huang, W.-C. Peng and M.-S. Chen, ``SOM: Dynamic Push-Pull Channel Allocation Framework," IEEE Trans. on Mobile Computing, Vol. 5, No. 8, pp. 974-990, August 2006.
41	W.-C. Peng and M.-S. Chen, ``Shared Data Allocation in a Mobile Computing System: Exploring Local and Global Optimization," IEEE Trans. on Parallel and Distributed Systems, Vol. 16, No. 4, pp. 374-384, April 2005.
42	W.-C. Peng and M.-S. Chen, ``Query Processing in a Mobile Computing Environment: Exploiting the Features of Asymmetry," IEEE Trans. on Knowledge and Data Engineering, Vol. 17, No. 7, pp. 982-996, July 2005.
43	W.-C. Peng and M.-S. Chen, ``Design and Performance Studies of an Adaptive Cache Retrieval Scheme in a Mobile Computing Environment," IEEE Trans. on Mobile Computing, Vol. 4, No. 1, pp. 29-40, January 2005.
44	W.-C. Peng and M.-S. Chen, ``Developing Data Allocation Schemes by Incremental Mining of User Moving Patterns in a Mobile Computing System,"IEEE Trans. on Knowledge and Data Engineering, Vol. 15, No. 1, pp.70-85, February 2003.
45	W.-C. Peng and M.-S. Chen, ``Efficient Channel Allocation Tree Generation for Data Broadcasting in a Mobile Computing Environment," ACM Wireless Networks, Vol. 9, No. 2, pp.117-129, March 2003.
46	W.-C. Peng, J.-L. Huang and M.-S. Chen, ``Dynamic Leveling: Adaptive Data Broadcasting in a Mobile Computing Environment," ACM Mobile Networks and Applications, Vol. 8, No. 4, pp. 355-364, August 2003.

Book Chapters

No.	Publication
1	L.-Y. Wei, Yu Zheng and W.-C. Peng, ""Mining Popular Routes from Social Media," to appear in Multimedia Data Mining: Disruptive Innovation,Springer-Verlag New York, LLC, 2014.
2	W.-C. Peng, L.-Y. Wei, Y.-T. Hsu, Y.-C. Pan, and W.-C. Lee, "Spatial Index Schemes for Cloud Environments," to appear in Geographical Information Systems: Trends and Technologies, Taylor and Francis, LLC, 2013.
3	C.-C. Hung, L.-Y. Wei, and W.-C. Peng, "Clustering Clues of Trajectories for Discovering Frequent Movement Behaviors," Behavior Computing: Modeling, Analysis, Mining and Decision, Springer-Verlag New York, LLC, April, 2012.

Conference papers

No.	Publication
1	Y.-Y. Chang, W.-Y. Wang, and W.-C. Peng, ``SeGA: Preference-Aware Self-Contrastive Learning with Prompts for Anomalous User Detection on Twitter,” Proceedings of the 38th AAAI Conference on Artificial Intelligence (AAAI), 2024.
2	C.-M. Lin, C.-Chang, W.-Y. Wang, K.-D. Wang and W.-C. Peng, `` Root Cause Analysis In Microservice Using Neural Granger Causal Disocvery," Proceedings of the 38th AAAI Conference on Artificial Intelligence (AAAI), 2024.
3	K.-D. Wang, Y.-T. Chen, Y.-H. Lin, W.-Y. Wang and W.-C. Peng, ``The CoachAI Badminton Environment: Bridging the Gap between a Reinforcement Learning Environment and Real-World Badminton Games," Demo paper, Proceedings of the 38th AAAI Conference on Artificial Intelligence (AAAI Demo paper), 2024.
4	K.-D. Wang, Y.-C. Wang, Y.-C. Chien, B.-Z. Hsieh, Y.-E. Tien and W.-C. Peng, `` Exploring Reinforcement Learning with Large Language Models for Enhancing Badminton Players' Strategies, " Proceeding of AAAI 2024 Workshop on Synergy of Reinforcement Learning and Large Language Models, 2024.
5	K.-D. Wang, W.-Y. Wang, Y.-T. Chen, Y.-H. Lin and W.-C. Peng, ``The CoachAI Badminton Environment: A Novel Reinforcement Learning Environment with Realistic Opponents," Proceedings of the 38th AAAI Conference on Artificial Intelligence (AAAI Student Abstract), 2024.
6	Y.-C. Tang, W.-Y. Wang, A.-Z. Yen and W.-C. Peng, ``RSVP: Customer Intent Detection via Agent Response Contrastive and Generative Pre-Training," Proceedings of the 2023 Empirical Methods in Natural Language Processing (EMNLP Findings), Singapore, Dec. 6-10, 2023.
7	W.-W. Du. W.-Y. Wang, and W.-C. Peng, ``DoRA: Domain-Based Self-Supervised Learning Framework for Low-Resource Real Estate Appraisal," Proceedings of the 32nd ACM International Conference on Information and Knowledge Management (ACM CIKM 2023), Birmingham United Kingdom, Oct. 21 - 25, 2023.
8	K.-D. Wang, YuTse Chen, YuHeng Lin, W.-Y. Wang and W.-C. Peng, ``The CoachAI Badminton Environment: Improving Badminton Player Tactics with A Novel Reinforcement Learning Environment," ACM SIGKDD Workshop on on Data Science and AI for Sports, Los Angles, USA, 2023
9	W.-Y. Wang, Y.-C. Huang, Tsi-Ui Ik and W.-C. Peng, ``ShuttleSet: A Human-Annotated Stroke-Level Singles Dataset for Badminton Tactical Analysis,” Proceedings of the 29th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD), 2023.
10	K.-D. Wang, W.-Y. Wang, P.-C. Hsieh and and W.-C. Peng, ``Generating Turn-Based Player Behavior via Experience from Demonstrations," ICML 2023 Workshop on Structured Probabilistic Inference & Generative Modeling, Hawaii, USA, July. 28, 2023.
11	C.-C. Li, Wei-Wei Du, W.-Y. Wang and W.-C. Peng, ``Look Around! A Neighbor Relation Graph Learning Framework for Real Estate Appraisal," AAAI workshop on Workshop on Modelling Uncertainty in the Financial World, Washington DC, USA, Feb., 13, 2023. (Best paper award)
12	K.-S. Chang, W.-Y. Wang and W.-C. Peng, ``Where Will Players Move Next? Dynamic Graphs and Hierarchical Fusion for Movement Forecasting in Badminton,” Proceedings of the 37th AAAI Conference on Artificial Intelligence (AAAI), 2023.
13	W.-Y. Wang, H.-H. Shuai, K.-S. Chang, W.-C. Peng, ``ShuttleNet: Position-Aware Fusion of Rally Progress and Player Styles for Stroke Forecasting in Badminton,” Proceedings of the 36th AAAI Conference on Artificial Intelligence (AAAI), 2022.
14	Guanyao Li, Chih-Chieh Hung, Mengyun Liu, Linfei Pan, W.-C. Peng, S.-H. Gary Chan, ``Spatial-Temporal Similarity for Trajectories with Location Noise and Sporadic Sampling,” Proceedings of the 37th IEEE International Conference on Data Engineering (ICDE), 2021.
15	W.-Y. Wang, T.-F. Chan, H.-K. Yang, C.-C. Wang, Y.-C. Fan, W.-C. Peng, ``Exploring the Long Short-Term Dependencies to Infer Shot Influence in Badminton Matches,” Proceedings of the 21st IEEE International Conference on Data Mining (ICDM), 2021.
16	Ken-Yu Lin, Roy Ka-Wei Lee, Wei Gao, W.-C. Peng, ``Early Prediction of Hate Speech Propagation,” Proceedings of the 21st IEEE International Conference on Data Mining Workshop (ICDM workshop), 2021.
17	H.-Y. Chih, Y.-C. Fan, W.-C. Peng and H.-Y. Kuo, "Product Quality Prediction with Convolutional Encoder-Decoder Architecture and Transfer Learning," Proceedings of the 29th ACM International Conference on Information and Knowledge Management, Oct.19-23, 2020.
18	Y.-Z. Song, H.-H. Shuai, S.-L. Yeh, Y.-L. Wu, L.-W. Ku, W.-C. Peng, "Attractive or Faithful? Popularity-Reinforced Learning for Inspired Headline Generation," Proceedings of the 34th AAAI Conference on Artificial Intelligence (AAAI), 2020.
19	Y.-H. Chen, P.-Y. Chen, H.-H. Shuai, and W.-C. Peng, "TemPEST: Soft Template-based Personalized EDM Subject Generation Through Collaborative Summarization," Proceedings of the 34th AAAI Conference on Artificial Intelligence (AAAI), 2020.
20	Y.-H. Chou, H.-Q. Yang and W.-C. Peng,``Predicting Online User Purchase Behavior Based on Browsing History," Proceedings of the IEEE International Workshop on on Recommender Systems with Big Data (with ICDE 2019), Macau SAR, China, April 8-12, 2019.
21	C.-H. Yen, Y.-C. Fan and W.-C. Peng,``Interpretable Multi-Task Learning for Product Quality Prediction with Attention Mechanism," Proceedings of the 35th IEEE International Conference on Data Engineering (ICDE), Macau SAR, China, April 8-12, 2019.
22	Hongxu Chen, Hongzhi Yin, Tong Chen, Quoc Viet Hung Nguyen, W.-C. Peng and Xue Li, ``Exploiting Centrality Information with Graph Convolutions for Network Representation Learning," Proceedings of the 35th IEEE International Conference on Data Engineering (ICDE), Macau SAR, China, April 8-12, 2019.
23	P.-R. Lei, L.-P. Xiao, Y. -T. Wen, and W.-C. Peng,``CAPatternMiner: Mining Ship Collision Avoidance Behavior from AIS Trajectory Data," Proceedings of the 27th ACM International Conference on Information and Knowledge Management, Turin, Italy, Oct. 22-26, 2018.
24	Y. -T. Wen, W.-C. Peng, and H.-H. Shuai,``Maximizing Social Influence on Target Users," Proceedings of The 22th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Melbourne, Australia, June 3-6, 2018.
25	Y.-T. Wen, P.-W. Yeh, H.-H. Shuai, and W.-C. Peng,``Customer Purchase Behavior Prediction from Payment Datasets," Proceedings of the 11th ACM International Conference on Web Search and Data Mining (ACM WSDM), Los Angeles, California, USA, Feb. 6-8, 2018.
26	H.-H. Shuai, Y.-H. Li, C.-C. Feng, and W.-C. Peng,``Four-Dimensional Shopping Mall: Sequential Group Willingness Optimization under VR Environments," Proceeding of the 27th Web Conference (WWW demo paper), Lyon , France, April 23-27, 2018.
27	W.-Y. Zhu, W.-Y. Shih, Y.-H. Lee,W.-C. Peng, and J.-L. Huang,``A Gamma-based Regression for Winning Price Estimation in Real-Time Bidding Advertising," Proceedings of the IEEE International Conference on Big Data, Boston, USA, Dec. 11-14, 2017
28	C.-J. Chen, Guanyao Li, A.-J. Chou, Xiaochuan Gou, W.-C. Peng and C.-W. Yi, ``Bus Trip Detection from Cellular Data for Urban Planning," Proceedings of the ACM International Workshop on Big Data Analytics for Enhancing Public Transport (in conjunction with ACM CIKM 2017), Singapore, Nov. 7, 2017.
29	Guanyao Li, C.-J. Chen, S.-Y. Huang, A.-J. Chou, Xiaochuan Gou, W.-C. Peng and C.-W. Yi, `` Public Transportation Mode Detection from Cellular Data," Proceedings of the 26th ACM International Conference on Information and Knowledge Management (ACM CIKM demo paper), Singapore, Nov. 6-10, 2017.
30	Y.-C. Huang, C.-W. Yi, W.-C. Peng, H.-C. Lin, and C.-Y. Huang, ``A Study on Multiple Wearable Sensors for Activity Recognition," Proceedings of the 2017 IEEE Conference on Dependable and Secure Computing (DSC 2017), Taipei, Taiwan, Aug. 7-10, 2017.
31	Guanyao Li, C.-J. Chen, W.-C. Peng and C.-W. Yi, ``Estimating Crowd Flow and Crowd Density from Cellular Data for Mass Rapid Transit", Proceedings of The 6th International Workshop on Urban Computing (in conjunction with ACM KDD 2017), Halifax, Nova Scotia, Canada, Aug. 14, 2017.
32	Yu-Ting Wen, Yi Yuan Fan and W.-C. Peng,``Mining of Location-Based Social Networks for Spatio-temporal Social Influence", Proceedings of The 21th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Jeju, Korea, May 23-26, 2017.
33	Gunarto Sindoro Njoo, Min-Chia Kao, Kuo-Wei Hsu and W.-C. Peng,`` Exploring Check-in Data to Infer Social Ties in Location Based Social Networks", Proceedings of The 21th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Jeju, Korea, May 23-26, 2017.
34	W.-Y. Zhu, C.-H. Wang, W.-Y. Shih, W.-C. Peng and J.-L. Huang, ``SEM: A Softmax-based Ensemble Model for CTR Estimation in Real-Time Bidding Advertising", Proceedings of IEEE International Conference on Big Data and Smart Computing (IEEE BigComp 2017), Jeju, Korea, Feb. 13-16, 2017.
35	F.-J. Wu, Y.-C. Tseng, W.-C. Peng, ``Activity Sense Organs: Energy-efficient Activity Sensing with Adaptive Duty Cycle Control", Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2016 poster paper), Heidelberg, Germany, Sept. 12-16, 2016.
36	W.-Y. Zhu, Y.-W. Wang, C.-J. Chen and W.-C. Peng, ``A Bayesian-based Approach for Activity and Mobility Inference in Location-based Social Networks", Proceedings of the 17th IEEE International Conference on Mobile Data Management, Porto, Portugal, June 13-16, 2016.
37	Kaiyu Feng, Gao Cong, Sourav S. Bhowmick, W.-C. Peng and Chunyan Miao, ``Towards Best Region Search for Data Exploration", Proceedings of the 37th ACM SIGMOD International Conference on Management of Data (SIGMOD-2016), San Francisco, USA, June 25-July 1, 2016.
38	Y.-C. Chen, W.-C. Peng, and S.-Y. Lee, ``Mining Temporal Patterns in Time Interval-based Data", Proceedings of the 32nd IEEE International Conference on Data Engineering (ICDE TKDE poster), Helsinki, Finland, May 16-20, 2016.
39	Y.-T. Wen, K.-J. Cho, W.-C. Peng, Jinyoung Yeo and Seungwon Hwang "KSTR: Keyword-aware Skyline Travel Route Recommendation," Proceedings of the 15th IEEE International Conference on Data Mining (ICDM-2015), Atlantic City, NJ, USA, Nov. 14-17, 2015.
40	C.-C. Chen, C.-H. Kuo and W.-C. Peng, "Mining Spatial-Temporal Semantic Trajectory Patterns from Raw Trajectories," Proceedings of the IEEE International Workshop on Mobile Data Mining and Human Mobility Computing (in conjunction with ICDM-2015), Atlantic City, NJ, USA, Nov. 14, 2015.
41	Gunarto Sindoro Nijoo, X.-W. Ruan, K.-W. Hsu and W.-C. Peng, `` A Fusion-based Approach for Activity Recognition in Smart Phones," Proceeding of the 2015 IEEE International Conference on Data Science and Advanced Analytics (DSAA), Paris, France, Oct. 19-21, 2015.
42	Gunarto Sindoro Nijoo, X.-W. Ruan, K.-W. Hsu and W.-C. Peng, ``Inferring User Activities from Spatial-Temporal Data in Mobile Phones," Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2015 poster paper), Osaka, Japan, Sept. 7-11, 2015.
43	W.-Y. Zhu, W.-C. Peng, L.-J. Chen, Kevin Zheng and Xiaofeng Zhou,``Modeling User Mobility for Location Promotion in Location-based Social Networks," Proceedings of the 21st ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD-2015), Sydney, Australia, Aug. 10- 13, 2015.
44	Y.-T. Wen, P.-R. Lei, W.-C. Peng, and Xiaofeng Zhou, ``Exploring Social Influence on Location-Based Social Networks,” Proceedings of the 14th IEEE International Conference on Data Mining (ICDM-2014), Shenzhen, China, Dec. 14-17, 2014.
45	W.-Y. Zhu, W.-C. Peng, and L.-J. Chen, ``Exploiting Mobility for Location Promotion in Location-based Social Networks," Proceeding of the 2014 International Conference on Data Science and Advanced Analytics (DSAA), Shanghai, China, Oct. 30-Nov. 1, 2014.
46	Gunarto Sindoro Nijoo, Y.-H. Peng, K.-W. Hsu and W.-C. Peng, ``On Selecting Feature-Value Pairs on Smart Phones for Activity Inferences," Proceeding of the 2014 International Conference on Data Science and Advanced Analytics (DSAA), Shanghai, China, Oct. 30-Nov. 1, 2014.
47	T.-H. Hsu, C.-C. Chen, M.-F. Chiang, K.-W. Hsu and W.-C. Peng,``Inferring Potential Users in Mobile Social Networks," Proceeding of the 2014 International Conference on Data Science and Advanced Analytics (DSAA), Shanghai, China, Oct. 30-Nov. 1, 2014.
48	M.-F. Chiang, C.-C. Chen, W.-C. Peng, and Philip S. Yu, ``Mining Mobility Evolution from Check-in Datasets," Proceedings of the 15th IEEE International Conference on Mobile Data Management, Brisbane, Australia, June 14-18, 2014.
49	F.-K. Chou, M.-F. Chiang, W.-C. Peng, and Y.-C. Chen, ``Dynamic Circle Recommendation: A Probabilistic Model," Proceedings of the the 18th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Tainan, Taiwan, May 13-15, 2014.
50	Y.-C. Chen, C.-C. Chen, W.-C. Peng, and W.-C. Lee, ``Mining Correlation Patterns among Appliances in Smart Home Environment," Proceedings of the the 18th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Tainan, Taiwan, May 13-15, 2014.
51	Z.-X. Liao, S.-C. Li, W.-C. Peng, Philip S. Yu and T.-C. Liu, ``On the Feature Discovery for App Usage Prediction in Smartphones," Proceedings of the 13th IEEE International Conference on Data Mining (ICDM-2013), Dallas, Texas, USA, Dec. 7-10, 2013.
52	Z.-X. Liao, Y.-C. Pan, P.-R. Lei and W.-C. Peng, ``On Mining Mobile Apps Usage Behavior for Predicting Apps Usages in Smartphones," Proceedings of the ACM 22nd International Conference on Information and Knowledge Management (ACM CIKM), San Francisco, CA, USA, Oct. 27- Nov. 1, 2013.
53	M.-F. Chiang, Y.-H. Lin, W.-C. Peng,and Philip S. Yu,``Inferring Distant-Time Location in Low-Sampling-Rate Trajectories," Proceedings of the 19th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (Demo paper), Chicago, USA, Aug. 11-Aug 14, 2013.
54	M.-F. Chiang, W.-Y. Zhu, W.-C. Peng, and Philip S. Yu, ``Distant-Time Location Prediction in Low-Sampling-Rate Trajectories," Proceedings of the 14th IEEE International Conference on Mobile Data Management, Milan, Italy, June 3-6, 2013.
55	Y.-C. Chen, Y.-L., Ko, W.-C. Peng, and W.-C. Lee, ``Mining Usage Patterns from Appliance Data in a Smart Home Environment," Proceedings of the the 17th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Gold Coast, Australia, April 13-17, 2013.
56	Z.-X. Liao, W.-C. Peng, and Philip S. Yu, ``Mining Usage Traces of Mobile Applications for Dynamic Preference Prediction," Proceedings of the 17th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Gold Coast, Australia, April 13-17, 2013.
57	Z.-X. Liao, Acrt Shen, P.-R. Lei and W.-C. Peng, `` Mining Temporal Profiles of Mobile Applications for Usage Prediction," Proceedings of the 12th IEEE International Conference on Data Mining (Demo paper), Brussel, Belgium, Dec. 10-13, 2012.
58	K.-W. Wang B.-W. Huang and W.-C. Peng, ``An Efficient Geometry Data Allocation Algorithm in Cloud Computing Environments," Proceedings of the 18th IEEE International Conference on Parallel and Distributed Systems (ICPADS 2012), Singapore, Dec. 17-19, 2012.
59	L.-Y. Wei, Y. Zheng and W.-C. Peng, ``Constructing Popular Routes from Uncertain Trajectories," Proceedings of the 18th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD-2012), Beijing, China, August 12-16, 2012.
60	Y.-C. Chen, W.-C. Peng, and S.-Y. Lee, ``Exploring Community Structures for Influence Maximization in Social Networks," Proceedings of the 6th International Workshop on Social Network Mining and Analysis (in conjunction with ACM SIGKDD), Beijing, China, August 11, 2012.
61	Y.-T. Hsu, Y.-C. Pan, L.-Y. Wei, W.-C. Peng and W.-C. Lee, ``Key Formulation Schemes for Spatial Index in Cloud Data Managements," Proceedings of the 13th IEEE Conference on Mobile Data Management (MDM), Bengaluru, India, July 23-26, 2012.
62	Lu-An Tang, Y. Zheng, J. Yuan, Jiawei Han, Alice Leung, C.-C. Hung, and W.-C. Peng, ``On Discovery of Traveling Companions from Streaming Trajectories," Proceedings of the 28th IEEE International Conference on Data Engineering (ICDE), Arlington, USA, April 1-5, 2012.
63	Lu-An Tang, X. Yu, Sangkyum Kim, Jiawei Han, W.-C. Peng, Yizhou Sun, Hector Gonzalez, and Sebastian Seith, ``Multidimensional Analysis of Atypical Events in Cyber-Physical Data," Proceedings of the 28th IEEE International Conference on Data Engineering (ICDE), Arlington, USA, April 1-5, 2012.
64	Y.-C. Chen, W.-C. Peng and S.-Y. Lee, ``CEMiner- An Effcient Algorithms for Mining Closed Patterns from Interval-based Data," Proceedings of the 11th IEEE International Conference on Data Mining (ICDM-2011) , Vancouver, Canada, Dec. 11-14, 2011.
65	H. Liu, L.-Y. Wei, Y. Zheng, M. Schneider and W.-C. Peng , ``Route Discovery from Mining Uncertain Trajectories," Proceedings of the 11th IEEE International Conference on Data Mining (Demo paper), Vancouver, Canada, Dec. 11-14, 2011.
66	T.-W. Lin, B. Zheng, L.-Y. Wei,and W.-C. Peng, ``Exploring Dynamic Query Shapes for Nearby Traffic Monitoring Queries in Road Networks," Proceedings of ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, Chicago, Illinois, USA, Nov. 1-4, 2011
67	K.-P. Chang, L.-Y. Wei, Mi-Yeh Yeh and W.-C. Peng, ``Discovering Personalized Routes from Trajectories," Proceedings of the third International Workshop on Location-based Social Networks (in conjunction with ACM SIGSPATIAL GIS 2011), Chicago, Illinois, USA, Nov. 1-4, 2011.
68	P.-R. Lei, Acrt Shen and W.-C. Peng, ``Exploring Spatial-Temporal Trajectory Model for Location Prediction,"Proceedings of the 12th International Conference on Mobile Data Management, Luleå, Sweden, June 6-9, 2011. (Best Student Paper Award).
69	C.-C. Hung and W.-C. Peng, ``Clustering Fragmented Trajectories for Mining Movement Behaviors," Proceedings of the 2011 International Workshop on Behavior Informatics (In conjuntion with PAKDD), Shenzhen, China, May 24, 2011.
70	C.-T. Lu, P.-R. Lai, and W.-C. Peng, ``A Framework of Mining Semantic Regions from Trajectories," Proceedings of the 16th International Conference on Database Systems for Advanced Applications (DASFAA), Hong Kong, Apr. 22-25, 2011.
71	L.-A Tang, X. Yu, S. Kim, Jiawei Han, C.-C. Hung, and W.-C. Peng, ``Tru-Alarm: Trustworthiness Analysis of Sensor Networks in Cyber-Physical Systems," Proceedings of the IEEE International Conference on Data Mining, Sydney, Australia, Dec. 14-17, 2010. (Acceptance rate ~19%, 155 out of 797 submissions)
72	Y.-C. Chen, J.-C Jiang, W.-C. Peng and S.-Y. Lee, ``An Efficient Algorithm for Mining Time Interval-based Patterns in Large Databases," Proceedings of the ACM 19th International Conference on Information and Knowledge Management (CIKM), Toronto, Canada, Oct. 26-30, 2010. (Acceptance rate ~13.4% 127 out of 945 submissions)
73	C.-C. Hung and W.-C. Peng, ``Model-driven Traffic Data Acquisition in Vehicular Sensor Networks," Proceedings of the 39th International Conference on Parallel Processing (ICPP 2010), San Diego, CA, USA, Sept. 13-16, 2010.
74	M.-F. Chiang, T.-W. Wang and W.-C. Peng, ``Parallelizing Random Walk with Restart for Large Scale Query Recommendation," Proceedings of the 1st Workshop on Mass Data Analytics over the Cloud (In conjunction with WWW), Raleigh, NC, USA, April 26, 2010.
75	L.-Y. Wei, W.-C. Peng, B.-C. Chen, and T.-W. Lin, ``PATS: A Framework of Pattern-Aware Trajectory Search," Proceedings of the 1st Workshop on Uncertain Mobile Data Management and Mining (In conjunction with MDM), Kansas, Missouri, USA, May 23, 2010.
76	C.-C. Hung, C.-W. Chang and W.-C. Peng, ``Mining Trajectory Profiles for Discovering User Communities," Proceedings of the 1st Workshop on Location-Based Social Networks (In conjunction with ACM GIS), Seattle, USA, Nov. 3-6, 2009. (Best Paper Award)
77	C.-C. Hung and W.-C. Peng, ``Clustering Object Moving Patterns for Prediction-based Object Tracking Sensor Networks," Proceedings of the ACM 18th International Conference on Information and Knowledge Management (CIKM), Hong Kong, Nov. 2-6, 2009.
78	L.-Y. Wei, W.-C. Peng, C.-S. Lin and C.-H. Jung, ``Exploring Spatio-Temporal Features for Traffic Estimation on Road Networks," Proceedings of the 11th International Symposium on Spatial and Temporal Databases (SSTD 2009), Aalborg, Denmark, July 8-10, 2009.
79	Paul Y.-S. Chiang and W.-C. Peng, ``Slab Routing: Adapting Two-Dimensional Geographic Routing to Three-Dimensions," Proceedings of the 6th IEEE Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON 2009), Rome, Italy June 22-26, 2009. (Acceptance rate ~18.8% 81 out of 431 submissions)
80	Y.-M. Chang, L.-Y. Wei, C.-S. Lin, C.-H. Jung, W.-C. Peng and I.-H. Chen, ``Exploring GPS Data for Traffic Status Estimation," Proceedings of the 10th International Conference on Mobile Data Management (Demo paper), Taipei, Taiwan, May 18-20, 2009.
81	L.-Y. Wei and W.-C. Peng, ``Clustering Data Streams in Optimization and Geography Domains," Proceedings of the 13th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2009), Bangkok, Thailand, April 27-30, 2009.
82	C.-H. Lo, W.-C. Peng and M.-F. Chiang, ``Ranking Web Pages from User Perspectives of Social Bookmarking Sites," Proceedings of the 2008 IEEE/WIC/ACM International Conference on Web Intelligence, Sydney, Australia, December 9-12, 2008.
83	C.-H. Yu, W.-C. Peng and W.-C. Lee, ``Mining Community Structures in Peer-to-Peer Environments," Proceedings of the 14th IEEE International Conference on Parallel and Distributed Systems (ICPADS), Melbourne, Victoria, Australia, December 8-10, 2008.
84	C.-C. Hung, W.-C. Peng, York S.-H. Tsai and W.-C. Lee, ``Exploiting Spatial and Data Correlations for Approximate Data Collection in Wireless Sensor Networks," Proceedings of the second ACM International Workshop on Knowledge Discovery from Sensor Data (In conjunction with ACM SIGKDD), Las Vegas, USA, August 24. 2008.
85	P.-Y. Li, W.-C. Peng, T.-W. Wang, W.-S. Ku and J. Xu, ``A Cloaking Algorithm based on Spatial Networks for Location Privacy," Proceedings of the IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing, Taichung, Taiwan, June 11-13, 2008.
86	C.-H. Lo and W.-C. Peng, ``Efficient Joint Clustering Algorithms in Optimization and Geography Domains," Proceedings of the 12th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2008), Osaka, Japan, May 20-23, 2008.
87	C.-H. Lo, W.-C. Peng, C.-W. Chen, T.-Y. Lin and C.-S. Lin, ``CarWeb: A Traffic Data Collection Platform," Proceedings of the 9th International Conference on Mobile Data Management (Demo paper), Beijing, China, April 27-30, 2008.
88	M.-F. Chiang, W.-C. Peng and C.-H. Lo, "Discovering Popular Co-Cited Communities in Blogspaces," Proceedings of the first IEEE International Workshop on Data Engineering for Blogs, Social Media, and Web 2.0, (In conjunction with IEEE International Conference on Data Engineering), Cancun, Mexico, April 12, 2008.
89	T.-Y. Fuo, W.-C. Peng and W.-C. Lee, ``Optimizing Parallel Itineraries for KNN Query Processing in Wireless Sensor Networks," Proceedings of the 16th ACM International Conference on Information and Knowledge Management (CIKM), Lisboa, Portugal, November 6-9, 2007. (Acceptance rate ~17%) (Nominee of Best Interdisciplinary Paper)
90	S.-P. Kuo, B.-J. Wu, W.-C. Peng and Y.-C. Tseng, ``Cluster-Enhanced Techniques for Pattern-Matching Localization Systems," Proceedings of the fourth IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS 2007), Pisa, Italy, October 8-11, 2007. (Acceptance rate ~25%)
91	W.-C. Peng, W.-T. Huang, Y.-L. Chen and P.-C. Liao, ``TagFree: Identifying Users without Tags in Smart Home Environments," Proceedings of the 2007 IEEE International Conference on Systems, Man, and Cybernetics, Montreal, Canada, October 7-10, 2007.
92	Y.-C. Wang, W.-C. Peng, M.-S. Chang and Y.-C. Tseng, ``Exploring Load-Balance to Dispatch Mobile Sensors in Wireless Sensor Networks," Proceedings of the 16th IEEE International Conference on Computer Communications and Networks (ICCCN), Honolulu, Hawaii, USA, August 13 - 16, 2007. (Acceptance rate ~29%)
93	X.-Y. Hsiao, W.-C. Peng, C.-C. Hung and W.-C. Lee, ``Using SensorRanks for In-Network Detection of Faulty Readings in Wireless Sensor Networks," Proceedings of the 6th International ACM Workshop on Data Engineering for Wireless and Mobile Access (in conjunction with SIGMOD/PODS 2007), Beijing, China, June 10, 2007.
94	Z.-X. Liao and W.-C. Peng, ``Exploring Lattice Structures in Mining Multi-Domain Sequential Patterns," Proceedings of the second International Conference on Scalable Information Systems (InfoScale), Suzhou, China, June 6-8, 2007.
95	T.-H. You, W.-C. Peng and W.-C. Lee, ``Protecting Moving Trajectories with Dummies," Proceedings of the first International Workshop on Privacy-Aware Location-based Mobile Services, (In conjunction with the 8th International Conference on Mobile Data Management (MDM) ), Mannheim, Germany, May 7 - 11, 2007.
96	H.-P. Tsai, D.-N. Yang, W.-C. Peng and M.-S. Chen, ``Exploring Group Moving Pattern for an Energy-Constrained Object Tracking Sensor Network," Proceedings of the 11th Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD 2007), Nanjing, China, May 22-25, 2007.
97	W.-S. Ku, R. Zimmermann, W.-C. Peng and S. Shroff, ``Privacy Protected Query Processing on Spatial Networks," Proceedings of the third IEEE International Workshop on Privacy Data Management, (In conjunction with IEEE International Conference on Data Engineering), Istanbul, Turkey, April 15-20, 2007.
98	H.-Y. Yang, W.-C. Peng and C.-H. Lo, ``Optimizing Multiple In-Network Aggregate Queries in Wireless Sensor Networks," Proceedings of the 12th International Conference on Database Systems for Advanced Applications (DASFAA), Bangkok, Thailand, April 9-12, 2007.
99	Z.-X. Liao, W.-C. Peng and X.-Y. Hu, ``Mining Multi-domain Sequential Patterns," Workshop on Software Engineering, Databases, and Knowledge Discovery, International Computer Symposium , Taipei, Taiwan, December 4-6, 2006.
100	C.-C. Hung and W.-C. Peng, ``A Storage Management for Mining Object Moving Patterns in Object Tracking Sensor Networks," Proceedings of the First IEEE International Workshop on Intelligent Agents in Wireless Sensor Networks (In conjunction with IEEE Conference on Data Mining 2006), Hong Kong, December 18-22, 2006.
101	W.-C. Peng and Y.-C. Lin, ``Ranking Web Search Results from Personalized Perspective," Proceedings of IEEE Joint Conference on E-Commerce Technology (CEC 2006) and Enterprise Computing, E-Commerce and E-Services (EEE 2006), San Francisco, California, June 26-29, 2006.
102	W.-C. Peng, Y.-Z. Ko and W.-C. Lee, ``On Mining Moving Patterns for Object Tracking Sensor Networks," Proceedings of the 7th International Conference on Mobile Data Management (MDM), Nara, Japan, May 10-12, 2006.
103	C.-C. Hung, W.-C. Peng and J.-L. Huang, ``Exploring Regression for Mining User Moving Patterns in a Mobile Computing System," Proceedings of the 2005 Conference on High Performance Computing and Communications (HPCC 2005), Capri-Sorrento Penisular, Italy, September 21-24, 2005.
104	J.-L. Huang and W.-C. Peng, ``An Effective Broadcast Program Generation Algorithm for Dependent Data," Proceedings of the fifth Emerging Information Technology Conference (EITC 2005), Taipei, Taiwan, August 15-16, 2005.
105	J.-L. Huang and W.-C. Peng,`` An Energy-Conserved On-Demand Data Broadcasting System," Proceedings of the 6th International Conference on Mobile Data Management, Ayia Napa, Cyprus, May 9-13, 2005.
106	C.-C. Hung and W.-C. Peng, `` An Efficient Data Mining Approach for User Moving Patterns in a Mobile Computing System," Proceedings of the 10th Mobile Computing Workshop, Taiwan, March 26, 2005.
107	J.-L. Huang, M.-S. Chen and W.-C. Peng, `` Exploring Group Mobility for Replica Data Allocation in a Mobile Environment ," Proceedings of the 12th ACM International Conference on Information and Knowledge Management, New Orleans, LA, USA, November 3-8, 2003.
108	J.-L. Huang, M.-S. Chen and W.-C. Peng, ``Broadcasting Dependent Data for Ordered Queries without Replication in a Multi-Channel Mobile Environment," Proceedings of the 19th IEEE International Conference on Data Engineering (ICDE 2003), Bagalore, India, March 5-8, 2003.
109	W.-C. Peng and M.-S. Chen, ``Exploring User Moving Patterns to Improve the Allocation of Shared Data in a Mobile Computing Environment," Proceedings of the Third International Conference on Mobile Data Management, Singapore, January 8 - 10, 2002.
110	J.-L. Huang, W.-C. Peng and M.-S. Chen,``Binary Interpolation Search for Solution Mapping on Broadcast and On-demand Channels in a Mobile Computing Environment," Proceedings of the 10th ACM International Conference on Information and Knowledge Management, Atlanta, Georgia, USA, November 5-10, 2001
111	P.-H. Wu, W.-C. Peng and M.-S. Chen, ``Mining Sequential Alarm Patterns in a Telecommunication Database," Workshop on Databases in Telecommunications (VLDB 2001), Roma, Italy, September 10, 2001.
112	W.-C. Peng and M.-S. Chen, ``Dynamic Generation of Data Broadcasting Programs for a Broadcast Disk Array in a Mobile Computing Environment," Proceedings of the 9th ACM International Conference on Information and Knowledge Management, Washington, DC, USA, November 6-11, 2000.
113	W.-C. Peng and M.-S. Chen, ``Exploiting the Features of Asymmetry for Query Processing in a Mobile Computing Environment," Proceedings of the fifth IFCIS International Conference on Cooperative Information Systems (CoopIS 2000), Eilat, Israel, September 6-8, 2000.
114	W.-C. Peng and M.-S. Chen, ``Mining User Moving Patterns for Personal Data Allocation in a Mobile Computing System," Proceedings of the 29th International Conference on Parallel Processing (ICPP 2000), Toronto, Canada, August 21-24, 2000.
115	G. -C. Chen, W. -C. Peng and S. -Y. Lee, ``A Queueing Scheme for Mobile Transactions," Proceedings of the third Workshop on Mobile Computing, Hsinchu, Taiwan, 1997. W.-C. Peng and M.-S. Chen, ``Dynamic and Adaptive Cache Retrieval Scheme for Mobile Computing Systems," Proceedings of the third IFCIS International Conference on Cooperative Information Systems (CoopIS 1998), New York, USA, August 20-22, 1998.
116	G -C. Chen, S. -Y. Lee and W. -C. Peng, ``Performance Analysis of Concurrency Control Strategies in Mobile Environments," Proceedings of the fourth Mobile Computing Workshop, Hsinchu, Taiwan, 1998.
117	G. -C. Chen, W. -C. Peng and S. -Y. Lee, ``A Queueing Scheme for Mobile Transactions," Proceedings of the third Workshop on Mobile Computing, Hsinchu, Taiwan, 1997.