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SIGMOD
2009
ACM
198views Database» more  SIGMOD 2009»
14 years 10 months ago
Monitoring path nearest neighbor in road networks
This paper addresses the problem of monitoring the k nearest neighbors to a dynamically changing path in road networks. Given a destination where a user is going to, this new quer...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Jeffrey...
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
14 years 10 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
PODS
2007
ACM
203views Database» more  PODS 2007»
14 years 10 months ago
Decision trees for entity identification: approximation algorithms and hardness results
We consider the problem of constructing decision trees for entity identification from a given relational table. The input is a table containing information about a set of entities...
Venkatesan T. Chakaravarthy, Vinayaka Pandit, Samb...
EDBT
2006
ACM
179views Database» more  EDBT 2006»
14 years 10 months ago
TrajPattern: Mining Sequential Patterns from Imprecise Trajectories of Mobile Objects
Abstract. Mobile objects have become ubiquitous in our everyday lives, ranging from cellular phones to sensors, therefore, analyzing and mining mobile data becomes an interesting p...
Jiong Yang, Meng Hu
EDBT
2008
ACM
166views Database» more  EDBT 2008»
14 years 10 months ago
Social ties and their relevance to churn in mobile telecom networks
Social Network Analysis has emerged as a key paradigm in modern sociology, technology, and information sciences. The paradigm stems from the view that the attributes of an individ...
Koustuv Dasgupta, Rahul Singh, Balaji Viswanathan,...