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» Querying Bi-level Information
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GIS
2010
ACM
13 years 7 months ago
Energy-efficient processing of spatio-temporal queries in wireless sensor networks
Research on Moving Object Databases (MOD) has resulted in sophisticated query mechanisms for moving objects and regions. Wireless Sensor Networks (WSN) support a wide range of app...
Markus Bestehorn, Klemens Böhm, Erik Buchmann...
ICDE
2012
IEEE
221views Database» more  ICDE 2012»
12 years 15 days ago
DPCube: Releasing Differentially Private Data Cubes for Health Information
—We demonstrate DPCube, a component in our Health Information DE-identification (HIDE) framework, for releasing differentially private data cubes (or multi-dimensional histogram...
Yonghui Xiao, James J. Gardner, Li Xiong
ACL
2009
13 years 8 months ago
Optimizing Language Model Information Retrieval System with Expectation Maximization Algorithm
Statistical language modeling (SLM) has been used in many different domains for decades and has also been applied to information retrieval (IR) recently. Documents retrieved using...
Justin Liang-Te Chiu, Jyun-Wei Huang
SIGIR
2009
ACM
14 years 4 months ago
What queries are likely to recur in web search?
We study the recurrence dynamics of queries in Web search by analysing a large real-world query log dataset. We find that query frequency is more useful in predicting collective ...
Dell Zhang, Jinsong Lu
CIKM
2008
Springer
14 years 1 days ago
Search-based query suggestion
In this paper, we proposed a unified strategy to combine query log and search results for query suggestion. In this way, we leverage both the users' search intentions for pop...
Jiang-Ming Yang, Rui Cai, Feng Jing, Shuo Wang, Le...