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SIGIR
2010
ACM
15 years 7 months ago
Positional relevance model for pseudo-relevance feedback
Pseudo-relevance feedback is an effective technique for improving retrieval results. Traditional feedback algorithms use a whole feedback document as a unit to extract words for ...
Yuanhua Lv, ChengXiang Zhai
170
Voted
CIKM
2004
Springer
15 years 7 months ago
Efficient processing of XML twig patterns with parent child edges: a look-ahead approach
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
Jiaheng Lu, Ting Chen, Tok Wang Ling
154
Voted
SIGMOD
2010
ACM
210views Database» more  SIGMOD 2010»
15 years 3 months ago
Searching trajectories by locations: an efficiency study
Trajectory search has long been an attractive and challenging topic which blooms various interesting applications in spatial-temporal databases. In this work, we study a new probl...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Yu Zhen...
138
Voted
CORR
2010
Springer
160views Education» more  CORR 2010»
15 years 3 months ago
New Results on Quantum Property Testing
We present several new examples of speed-ups obtainable by quantum algorithms in the context of property testing. First, motivated by sampling algorithms, we consider probability d...
Sourav Chakraborty, Eldar Fischer, Arie Matsliah, ...
163
Voted
GIS
2010
ACM
15 years 1 months ago
Towards location-based social networking services
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
Chi-Yin Chow, Jie Bao 0003, Mohamed F. Mokbel