1452 search results - page 52 / 291 » The Effectiveness of Query Expansion for Distributed Informa... |
ICTIR
2009
Springer
14 years 2 months ago
2009
Springer
We introduce perturbation kernels, a new class of similarity measure for information retrieval that casts word similarity in terms of multi-task learning. Perturbation kernels mode...
SIGIR
2000
ACM
14 years 5 days ago
2000
ACM
Abstract The explosion of content in distributed information retrieval (IR) systems requires new mechanisms to attain timely and accurate retrieval of unstructured text. In this pa...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
TKDE
2011
13 years 2 months ago
2011
— Search queries on biomedical databases, such as PubMed, often return a large number of results, only a small subset of which is relevant to the user. Ranking and categorization...
CCGRID
2003
IEEE
14 years 1 months ago
2003
IEEE
Decentralized and unstructured peer-to-peer (P2P) networks such as Gnutella are attractive for Internet-scale information retrieval and search systems because they require neither...