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WIDM
2004
ACM
15 years 9 months ago
Querying structured data in an unstructured P2P system
Abstract— Peer-to-Peer networking has become a major research topic over the last few years. Sharing of structured data in such decentralized environments is a challenging proble...
Verena Kantere, Dimitrios Tsoumakos, Nick Roussopo...
DBPL
2001
Springer
167views Database» more  DBPL 2001»
15 years 8 months ago
A Temporal Query Language for OLAP: Implementation and a Case Study
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
Alejandro A. Vaisman, Alberto O. Mendelzon
CIKM
2007
Springer
15 years 8 months ago
Improve retrieval accuracy for difficult queries using negative feedback
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...
Xuanhui Wang, Hui Fang, ChengXiang Zhai
CNSR
2007
IEEE
181views Communications» more  CNSR 2007»
15 years 8 months ago
The Application of Users' Collective Experience for Crafting Suitable Search Engine Query Recommendations
Search engines have turned into one of the most important services of the Web that are frequently visited by any user. They assist their users in finding appropriate information. ...
Faezeh Ensan, Ebrahim Bagheri, Mohsen Kahani
SDM
2003
SIAM
129views Data Mining» more  SDM 2003»
15 years 5 months ago
Approximate Query Answering by Model Averaging
In earlier work we have introduced and explored a variety of different probabilistic models for the problem of answering selectivity queries posed to large sparse binary data set...
Dmitry Pavlov, Padhraic Smyth