Journal　　Conference

Journal

   
  2010 Chao-Chun Chen, Ding-Chau Wang, and Yong-Ming Huang, "VBLM: High-Accuracy Localization Method with Verification Mechanism for Unstable-Signal Sensor Networks", Journal of Information Science and Engineering (JISE), accepted and to appear. (SCI, EI)(NSC 96-2221-E-218-050-MY2)  
   
  2010 Yi-Hong Chu, Jen-Wei Huang, Kun-Ta Chuang, De-Nian Yang, and Ming-Syan Chen, ''Density Conscious Subspace Clustering for High-Dimensional Data,'' IEEE Trans. on Knowledge and Data Engineering (TKDE), Vol. 22, No. 1, pp. 16-30, January 2010.  
   
  2009 Kun-Ta Chuang, Hung-Leng Chen, and Ming-Syan Chen, ''Feature Preserved Sampling over Streaming Data,'' ACM Trans. on Knowledge Discovery from Data (TKDD), Vol. 2, No. 4, 2009.  
   
  2009/07 陳朝鈞, 王鼎超, 辛曼榕, 黃順彬, "結合無線射頻辨識技術與網際網路技術之保險箱保全系統設計與實作", 南台學報, Vol. 34, No. 1, July 2009, pp. 47-66. (NSC 98-2221-E-218-034 and NSC 98-2221-E-218-036)  
   
  2009/03 Lien-Fa Lin, Chao-Chun Chen, and Chiang Lee, "Benefit-Oriented Data Retrieval in Data Broadcast Environments", Wireless Networks (WINET), accepted and to appear. (SCI, EI)(NSC 95-2221-E-006-208)  
   
  2009/03 Chao-Chun Chen, Chiang Lee, and Shih-Chia Wang, "On Optimal Scheduling for Time-Constrained Services in Multi-Channel Data Dissemination Systems", Information Systems, Volume 34, Issue 1, March 2009, pp. 164-177. (SCI, EI)(NSC 96-2221-E-218-050-MY2, NSC 96-2515-S-218-002)  
   
  2009/03 Yuan-Ko Huang, Chao-Chun Chen, and Chiang Lee, "Continuous K-Nearest Neighbor Query for Moving Objects with Uncertain Velocity", GeoInformatica Journal, vol. 13, no. 1, March 2009, pp. 1-25. (EI, SCI)(NSC 95-2221-E-006-208)  
   
  2008/12 Chao-Chun Chen, Chiang Lee, and Lien-Fa Lin, "A Novel Encoding Scheme and Data Delivery in Ubiquitous Computing Systems", Wireless Networks (WINET), vol. 14, no. 6, December 2008, pp. 731-743. (SCI, EI)(NSC 96-2221-E-218-050-MY2)  
   
  2008/12 Shan-Hung Wu, Kun-Ta Chuang, Chuang-Min Chen, and Ming-Syan Chen, ''Toward the Optimal Itinerary-based KNN Query Processing in Mobile Sensor Networks,'' IEEE Trans. on Knowledge and Data Engineering (TKDE), Vol. 20, No. 12, pp. 1655-1668, December 2008.  
   
  2008/11 Hung-Leng Chen, Kun-Ta Chuang, and Ming-Syan Chen, ''On Data Labeling for Clustering Categorical Data,'' IEEE Trans. on Knowledge and Data Engineering (TKDE), Vol. 20, No. 11, pp. 1458-1471, November 2008.  
   
  2008/08 Kun-Ta Chuang,Jiun-Long Huang, and Ming-Syan Chen, ''Power-Law Relationship and Self-Similarity in the Itemset Support Distribution: Analysis and Applications,'' Very Large Data Base Journal (VLDBJ), Vol. 17, No. 5, pp. 1121-1141, August 2008.  
   
  2008/08 Kun-Ta Chuang,Jiun-Long Huang, and Ming-Syan Chen, ''Mining Top-k Frequent Patterns in the Presence of the Memory Constraint,'' Very Large Data Base Journal (VLDBJ), Vol. 17, No. 5, pp. 1321-1344, August 2008.  
   
  2008/06 林聯發, 黃成永, 陳朝鈞, "文化創意產業傳播人才培育課程與資源規劃之研究", 中央警察大學『資訊、科技與社會』學報, vol. 8, no. 1, 2008.  
   
  2008/04 Lien-Fa Lin and Chao-Chun Chen, "Continuous Reverse Nearest Neighbor Search", Ubiquitous Computing and Communication Journal, vol. 3, no. 2, 2008. (NSC 96-2221-E-218-050-MY2)  
   
  2008/02 Lien-Fa Lin and Chao-Chun Chen, "Study on RNN Query in Broadcasting Environment", Ubiquitous Computing and Communication Journal, vol. 3, no. 1, 2008. (NSC 96-2221-E-218-050-MY2)  
   
  2007/10 Hao-Ping Hung, Kun-Ta Chuang, and Ming-Syan Chen, ''Efficient Top-k Query Processing over Multiple Streams with Minimized Global Error,'' IEEE Trans. on Knowledge and Data Engineering (TKDE), Vol. 19, No. 10, pp. 1404-1419, October 2007.  
   
  2007/04 Kun-Ta Chuang, Keng-Pei Lin, and Ming-Syan Chen, ''Quality-Aware Sampling and its Applications in Incremental Data Mining,'' IEEE Trans. on Knowledge and Data Engineering(TKDE), Vol. 19, No. 4, pp. 468-484, April 2007.  
   
  2007/03 Chao-Chun Chen, Da-Chung Mao, and Chiang Lee, "ART: A Novel Localization Method for Managing Uncertainty Regions in Wireless Fading-Signal Sensor Networks", Ubiquitous Computing and Communication Journal, vol. 2, no. 3, 2007, pp. 43-54. (NSC 95-2221-E-006-208)  
   
  2006/11 Yu-Chi Chung, Chao-Chun Chen, and Chiang Lee, "Design and Performance Evaluation of Broadcast Algorithms for Time-Constrained Data Retrieval", IEEE Transactions on Knowledge and Data Engineering (TKDE), vol. 18, no. 11, November 2006, pp. 1526-1543. (SCI, EI)(NSC 94-2218-E-158-001)  
   
  2006/06 Chao-Chun Chen, Yung-Chiao Tseng, , Shi-Jei Liao, and Chiang Lee, "Design and Implementation of a Shooting System over Wireless Sensor Networks", Communications of Institute of Information and Computing Machinery, vol. 9, no. 2, June 2006, pp. 123-138. (NSC 94-2218-E-158-001)  
   
  2006 Ching-Huang Yun, Kun-Ta Chuang, and Ming-Syan Chen, ''Adherence Clustering: An Efficient Method for Mining Market-Basket Clusters,'' Information Systems, Vol. 31, 170-186, 2006.  
   
  2005/04 Yu-Chi Chung, Chao-Chun Chen, and Chiang Lee, "TbOT: A High-accuracy Low-energy-consumption Object Tracking Scheme for Grid Sensor Networks", Journal of Internet Technology (JIT), Special Issue on "Wireless Ad Hoc Network and Sensor Networks", vol. 6, no. 1, April 2005, pp. 19-29. (EI)  
   
  2004/11 Yu-Chi Chung, Chao-Chun Chen, Lanturn Lin, and Chiang Lee, "Generating Expected-time Broadcast Programs for Single-page Requests in Wireless Multichannel Environments", International Journal of Electrical Engineering (IJEE), vol. 11, no. 4, pp. 327-336, 2004. (EI, IEE, Invited paper)  
   
  2004/09 Chiang Lee and Chao-Chun Chen, ""Cache and Carry" for Location Management in Mobile Information Systems", Distributed and Parallel Databases, vol. 16, no.2, September 2004, pp. 165-192. (SCI, EI)  
   
  2001/01 Chiang Lee, Chih-Horng Ke, and Chao-Chun Chen, "Improving Location Management for Mobile Users with Frequently Visited Locations", Performance Evaluation, vol. 43, no. 1, 2001, pp. 15-38. (SCI, EI)  
   
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Conference

   
  2011/10 Ying-Ju Chen, Kun-Ta Chuang, Ming-Syan Chen, ''Coupling or Decoupling for KNN Search on Road Networks? A Hybrid Framework on User Query Patterns,''Proc. of the ACM 20thIntern'l Conf. on Information and Knowledge Management (CIKM-11), October 24 - October 28, 2011. (full paper, acceptance rate=134/917~15%)  
   
  2009/06 Chao-Chun Chen, Jenq-Muh Hsu, and Chien-Han Liao, "HAMA: A Three-Layered Architecture for Integrating Object Tracking and Location Management in Wireless Sensor Networks", in Proceedings of the 3rd International Conference on Multimedia and Ubiquitous Engineering (MUE2009), Qingdao, China, June 4-6, 2009, pp. 268-275. (EI)(NSC 96-2221-E-218-050-MY2)  
   
  2009/05 邱志銘, 黃俊銘, 林育弘, 鄭聖文, 王鼎超, 陳朝鈞, "設計與實作基於無線射頻辨識技術之兒童數學數位學習系統", 2009年數位學習與生活研討會, Ping-Tung, Taiwan, May 25, 2009. (NSC 96-2221-E-218-050-MY2, NSC 96-2515-S-218-002, NSC 96-2515-S-218-003)  
   
  2009/05 辛曼榕, 邱志銘, 陳朝鈞, 王鼎超, 黃順彬, "基於無線射頻技術之智慧型保險箱監控系統", in Proceedings of the 8th Conference on Information Technology and Applications in Outlying Islands (ITAOI2009), Kinmen, Taiwan, May, 2009. (NSC 96-2221-E-218-050-MY2)  
   
  2009/05 鄭聖文, 林育弘, 王鼎超, 陳朝鈞, "以無線射頻識別技術建置公用冰箱空間管理系統", in Proceedings of the 8th Conference on Information Technology and Applications in Outlying Islands (ITAOI2009), Kinmen, Taiwan, May, 2009. (NSC 96-2221-E-218-050-MY2)  
   
  2008/12 Chao-Chun Chen, Chiang Lee, and Yen-Liang Liu, "A Gossip-enabled Spatial Index for Moving Object Management over Wireless Sensor Networks", in Proceedings of the 4th International Conference on Mobile Ad-hoc and Sensor Networks (MSN'08), Wuhan, China, December 10 - 12, 2008, accepted and to appear. (EI)(NSC 96-2221-E-218-050-MY2)  
   
  2008/11 Chao-Chun Chen, Yong-Ming Huang, Lien-Fa Lin, and Ding-Chau Wang, "Genetic Optimization for Benefit-Oriented Data Broadcast in T-learning Environments", in Proceedings of the Eighth International Conference on Intelligent System Design and Applications (ISDA2008), Kaohsiung, Taiwan, November 26-28, 2008. (EI)(NSC 96-2221-E-218-050-MY2)  
   
  2008/07 Lien-Fa Lin and Chao-Chun Chen, "Continuous Nearest Neighbor Search", in Proceedings of the 12th World Multiconference on Systemics, Cybernetics and Informatics (WMSCI 2008), Orlando, USA, June 29 - July 2, 2008, Volume V, pp. 106-112. (NSC 96-2221-E-218-050-MY2, NSC 96-2515-S-218-002, NSC 96-2515-S-218-003)  
   
  2008/05 黃永銘, 陳朝鈞, 王鼎超, 林聯發, "支援T-Learning學習者以有利於學習者為導向的資料存取模式", in Proceedings of the 7th Conference on Information Technology and Applications in Outlying Islands (ITAOI2008), Penghu, Taiwan, May, 2008. (NSC 96-2221-E-218-050-MY2, NSC 96-2515-S-218-002, NSC 96-2515-S-218-003)  
   
  2008/05 賴弘榮, 王鼎超, 陳朝鈞, "感測網路下利用雙向測距提升測距的準確度", in Proceedings of the 7th Conference on Information Technology and Applications in Outlying Islands (ITAOI2008), Penghu, Taiwan, May, 2008. (NSC 96-2221-E-218-050-MY2, NSC 96-2515-S-218-002, NSC 96-2515-S-218-003)  
   
  2008/05 黃永銘, 王鼎超, 陳朝鈞, 傅雙鑫, "設計與實作可適用於不穩定訊號環境之無線感測定位系統", 2008海峽兩岸資訊與科技管理學術研討會, Tainan, Taiwan, May 19-20, 2008. (NSC 96-2221-E-218-050-MY2)  
   
  2008/04 Yong-Ming Hwuang, Ding-Chao Wang, and Chao-Chun Chen, "A Verification-Based Localization Method for Unstable Radio Sensor Networks in Smart Home Environments", in Proceedings of the 2nd International Conference on Multimedia and Ubiquitous Engineering (MUE2008), Busan, Korea, April 24 - 26, 2008, pages 390-393. (EI. accepted rate=27%)(NSC 96-2221-E-218-050-MY2, NSC 96-2515-S-218-002, NSC 96-2515-S-218-003)  
   
  2007/11 Yuan-Ko Huang, Chao-Chun Chen, and Chiang Lee, "Efficient KNN Processing over Moving Objects with Uncertain Velocity", in Proceedings of the 15th ACM International Symposium on Advances in Geographic Information Systems (ACM GIS2007), Seattle, Washington, USA, November 7-9, 2007, pp. 419-422. (NSC 96-2221-E-218-050-MY2)  
   
  2007/09 Yung-Chiao Tseng, Chao-Chun Chen, Chiang Lee, and Yuan-Ko Huang, "Incremental In-Network RNN Search in Wireless Sensor Networks", in Proceedings of the First International Workshop on Ubiquitous Computing for Parallel and Distributed Systems (uPADS07), XiAn China, September 10-14, 2007. (EI)(NSC 95-2221-E-006-208)  
   
  2007/12 林聯發, 陳朝鈞, 邱文鴻, "數位典藏加值應用-中英文姓名書法字轉換系統平台", 文化創意產業暨地方文化特色研討會, 台灣高雄, Dec. 27, 2007, pp. 219-226. (NSC 96-2221-E-218-050-MY2)  
   
  2007/06 Hong-Jung Lai, Yong-Ming Hwuang, and Chao-Chun Chen, "使用無線感測器建構具主動式訊息通知機制之博物館文物保存及維護系統", in Proceedings of the 6th Conference on Information Technology and Applications in Outlying Islands (ITAOI2007), June 1, 2007. (NSC 95-2221-E-006-208)  
   
  2007/04 Chao-Chun Chen, Shi-Jei Liao, Da-Chung Mao, Chiang Lee, and Chung-Bin Luo, "Accuracy-adaptable Location Logger for Moving Objects in Wireless Sensor Networks", in Proceedings of the 13th Mobile Computing Workshop (MC2007), Changhua, Taiwan, R.O.C., April 20, 2007, pp. 106-114. (NSC 94-2218-E-158-001, and NSC 95-2221-E-006-208)  
   
  2007/04 Shan-Hung Wu,Kun-Ta Chuang, Chung-Min Chen, and Ming-Syan Chen, ''DIKNN: An Itinerary-based KNN Query Processing Algorithm for Mobile Sensor Networks,'' Proc. of the 23rd IEEE Intern'l Conf. on Data Engineering (ICDE-07), April 16-20, 2007. (full paper, acceptance rate=122/659~18%)  
   
  2007/03 Yong-Ming Hwuang and Chao-Chun Chen, "利用即時傳訊系統來改善部落格平台上的即時互動性", in Proceedings of the 1st International Conference on Theory and Application of Information Technology, Tainan, Taiwan, March 13, 2007. (NSC 95-2221-E-006-208)  
   
  2007/03 Da-Chung Mao, Chao-Chun Chen, and Chiang Lee, "Aggressive Rectangle Truncation Localization with Verification Mechanism in Wireless Sensor Networks", in Proceedings of the Third International Conference on Wireless and Mobile Communications (ICWMC'07), Guadeloupe, French Caribbean, March 4-9, 2007. (NSC 94-2218-E-158-001)  
   
  2006/11 Yi-Hong Chu, Jen-Wei Huang, Kun-Ta Chuang, and Ming-Syan Chen, ''Density Conscious Subspace Clustering for High-Dimensional Data,'' Proc. of the ACM 15th Intern'l Conf. on Information and Knowledge Management (CIKM-06), November 6-11, 2006. (poster paper, acceptance rate =81(full)+56(poster)/537=25%)  
   
  2006/07 Chao-Chun Chen, Chiang Lee, Chun-ChiangWang, and Yu-Chi Chung, "Prefetching LDD: A Benefit-oriented Approach", in Proceedings of the 2006 International Conference On Communications And Mobile Computing (IWCMC'06), Vancouver, British Columbia, Canada, July 3-6, 2006, pp. 1103-1108. (NSC 94-2218-E-158-001)  
   
  2006/03 Yung-Chiao Tseng, Chao-Chun Chen, and Chiang Lee, "TinyGIDE: A Graphical Integrated Development Environment for nesC/TinyOS", in Proceedings of the 12th Mobile Computing Workshop (MC2006), Taichung, Taiwan, R.O.C., March 31, 2006, pp. 549-558. (NSC 94-2218-E-158-001)  
   
  2006/03 Yung-Chiao Tseng, , Shi-Jei Liao, and Chao-Chun Chen, "Shooting Simulation System in Wireless Sensor Networks", in Proceedings of the 12th Mobile Computing Workshop (MC2006), Taichung, Taiwan, R.O.C., March 31, 2006. (NSC 94-2218-E-158-001)  
   
  2006/03 Kun-Ta Chuang, Jiun-Long Huang, and Ming-Syan Chen, ''On Exploring the Power-Law Relationship in the Itemset Support Distribution,'' Proc. of the 10th Intern'l Conf. on Extending Database Technology (EDBT-06), March 26-30, 2006. (acceptance rate 56/355=16%)  
   
  2005/11 Hung-Leng Chen, Kun-Ta Chuang, and Ming-Syan Chen, ''Toward Highly Efficient Clustering: A Framework of Labeling Unclustered Categorical Data into Clusters Based on the Important Attribute Values,'' Proc. of the IEEE 5th Intern'l Conf. on Data Mining(ICDM-05), November 27-30, 2005. (full paper, acceptance rate=69/630=11%)  
   
  2005/10 Kun-Ta Chuang and Ming-Syan Chen, ''Frequent Pattern Discovery with Memory Constraint,'' Proc. of the ACM 14th Intern'l Conf. on Information and Knowledge Management (CIKM-05), October 31 - November 5, 2005.  
   
  2005/07 Chao-Chun Chen and Yu-Chi Chung, "Tracking Irregularly Moving Objects based on Alert-enabling Sensor Model in Sensor Networks", in Proceedings of the 11th International Conference on Parallel and Distributed Systems (ICPADS2005), Fukuoka, Japan, July 20-22, 2005, pp. 571-577.  
   
  2005/06 Yu-Chi Chung, Chao-Chun Chen, and Chiang Lee, "Time-Constraint Service on Air", in Proceedings of the 25th International Conference on Distributed Computing Systems (ICDCS2005), Columbus, Ohio, USA, June 6-10, 2005, pp. 739-748. (EI)  
   
  2005/05 Yi-Hong Chu, Kun-Ta Chuang, and Ming-Syan Chen, ''QED: An Efficient Framework for Temporal Region Query Processing,'' Proc. of the 9th Pacific-Asia Conf. on Knowledge Discovery and Data Mining (PAKDD-05), May 18-20, 2005. (full paper, acceptance rate=49/327=15%)  
   
  2005/05 Kun-Ta Chuang, Wen-Chieh Yang, and Ming-Syan Chen, ''Progressive Sampling for Association Rules based on Sampling Error Estimation,'' Proc. of the 9th Pacific-Asia Conf. on Knowledge Discovery and Data Mining (PAKDD-05), May 18-20, 2005. (full paper, acceptance rate=49/327=15%)  
   
  2004/04 Chao-Chun Chen, Yu-Chi Chung, Cheng-Chieh Chien, and Chiang Lee, "Similarity Retrieval of Web Documents Considering Both Text and Style", in Proceedings of the Sixth Asia Paci¯c Web Conference (APWEB04), LNCS 3007, Hangzhou, China, April 14-17, 2004, pp. 620-629.  
   
  2004/04 Kun-Ta Chuang and Ming-Syan Chen, ''Clustering Categorical Data by Utilizing the Correlated-Force Ensemble,'' Proc. of the 4th SIAM Intern'l Conference on Data Mining(SDM-04), April 22-24, 2004. (regular paper, acceptance rate=26/161=16.1%  
   
  2004/03 Yu-Chi Chung, Lanturn Lin, Chao-Chun Chen, and Chiang Lee, "Scheduling Expected-Time Data in Wireless Multi-channel Environments", in Proceedings of the 10th Mobile Computing Workshop (MC2004), Taichung, Taiwan, R.O.C., March 26, 2004, pp. 309-318.  
   
  2004/03 Chao-Chun Chen, Lien-Fa Lin, and Chiang Lee, "Supporting Benefit-Oriented Retrieval for Data on Air", in Proceedings of the 9th International Conference on Database Systems for Advanced Applications (DASFAA04), LNCS 2973, Jeju Island, Korea, March 17-19, 2004, pp. 916-921.  
   
  2003/11 Ching-Huang Yun, Kun-Ta Chuang, and Ming-Syan Chen, ''Clustering Item Data Sets with Association-Taxonomy Similarity'', Proc. of the IEEE 3rd Intern'l Conf. on Data Mining(ICDM-03), November 19-22, 2003. (short paper, acceptance rate=23%)  
   
  2003/03 Chao-Chun Chen, Chiang Lee, and Chih-Horng Ke, "Compression-based Broadcast Strategies in Wireless Information Systems", in Proceedings of International Conference on Advanced Information Networking and Application (AINA'03), Xian, China, March 27-29, 2003, pp. 13-18.  
   
  2003/01 Chao-Chun Chen, Chiang Lee, and Chih-Horng Ke, "Best Movement of Mobile Agent in Mobile Computing Systems", in Proceedings of 4th International Conference on Mobile Data Management (MDM'03), LNCS 2574, Melbourne, Australia, January 21-24, 2003, pp. 345-350.  
   
  2002/12 Ching-Huang Yun, Kun-Ta Chuang, and Ming-Syan Chen, '' Using Category-Based Adherence to Cluster Market-Basket Data'', Proc. of the IEEE 2nd Intern'l Conf. on Data Mining (ICDM-02), December 9-12, 2002. (full paper, acceptance rate=72/369=19%)  
   
  2002/09 Ching-Huang Yun, Kun-Ta Chuang, and Ming-Syan Chen, ''Self-Tuning Clustering: An Adaptive Clustering Method for Transaction Data,'' Proc. of the 4th International Conference on Data Warehousing and Knowledge Discovery (DaWaK-02), September 4-6, 2002, pp 42-51.  
   
  2001/10 Ching-Huang Yun, Kun-Ta Chuang, and Ming-Syan Chen, ''An Efficient Clustering Algorithm for Market Basket Data Based on Small-Large Ratios," Proceedings of the 25th International Computer Software and Applications Conference (COMPSAC-01), October 8-12, 2001, pp. 505-510.  
   
  2001/04 Chiang Lee and Chao-Chun Chen, "A Data Delivery Strategy in Ubiquitous Computing Systems", in Proceedings of the 7th International Conference on Database Systems for Advanced Applications (DASFAA01), Hong Kong, April 18-20, 2001, pp. 210-217.  
   
  2000/03 Chao-Chun Chen, "Support Mobility in Web Information Retrieval", in Proceedings of the 6th Mobile Computing Workshop (MC2000), Taichung, Taiwan, R.O.C., March 2000, pp. 121-128.  
   
  1999/12 Chao-Chun Chen, "Compression-based Broadcast Data for Reducing Access Time in Wireless Environment", in Proceedings of 1999 National Computer Symposium (NCS'99), Taipei, Taiwan, R.O.C., December 1999, pp. C539-C546.  
   
  1999/12 Chao-Chun Chen and Chiang Lee, "Location Management Strategies for Reducing Both Movement Cost and Locating Cost Simultaneously", in Proceedings of the First International Conference on Mobile Data Access (MDA'99), LNCS 1748, Hong Kong, December 1999, pp. 209-219.  
   
  1999/09 Chiang Lee, Chih-Horng Ke, and Chao-Chun Chen, "Tracking Mobile Users Utilizing Their Frequently Visited Locations", in Proceedings of 10th International Conference on Database and Expert Systems Applications (DEXA'99), LNCS 1677, Florence, Italy, August 30 - September 3, 1999, pp. 156-165. (EI)  
   
  1999/03 Chao-Chun Chen and Chiang Lee, "Design of Location Management Strategies for Reducing Both Movement Cost and Searching Cost", in Proceedings of the 5th Mobile Computing Workshop, Hsinchu, Taiwan, March 24-25, 1999, p.p. 183-190.  
   
  1997/03 Chih-Horng Ke, Chao-Chun Chen, and Chiang Lee, "Improving Location Management for Mobile Users with Frequently Visited Locations", in Proceedings of the 3rd Mobile Computing Workshop, Hsinchu, Taiwan, March 25-26, 1997, p.p. 9-16.  
   
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