494 search results - page 57 / 99 » Improving Automatic Query Expansion |
CORR
2012
Springer
12 years 3 months ago
2012
Springer
We propose a novel mechanism for answering sets of counting queries under differential privacy. Given a workload of counting queries, the mechanism automatically selects a differ...
ICMCS
2008
IEEE
14 years 2 months ago
2008
IEEE
Near-duplicate image detection is a critical task in copyright protection. More challenging than the common similarity search, this task requires not only the retrieval of the top...
ACL
2009
13 years 5 months ago
2009
We query Web Image search engines with words (e.g., spring) but need images that correspond to particular senses of the word (e.g., flexible coil). Querying with polysemous words ...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Song and Bruza [6] introduce a framework for Information Retrieval(IR) based on Gardenfor’s three tiered cognitive model; Conceptual Spaces[4]. They instantiate a conceptual spa...
HSNMC
2004
Springer
14 years 1 months ago
2004
Springer
Decentralized and unstructured peer-to-peer (P2P) networks such as Gnutella are attractive for large-scale information retrieval and search systems due to scalability, fault-tolera...