4553 search results - page 28 / 911 » Distributed Ranked Search |
WWW
2010
ACM
13 years 8 months ago
2010
ACM
To improve the search results for socially-connect users, we propose a ranking framework, Social Network Document Rank (SNDocRank). This framework considers both document contents...
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
We present a new system, called Retimm, for searching databases made of documents containing images and text. Images are indexed by colour and texture distributions.. Colour and t...
SIGIR
2010
ACM
13 years 12 months ago
2010
ACM
In this paper, we present a novel image search system, image search by concept map. This system enables users to indicate not only what semantic concepts are expected to appear bu...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
Collection selection has been a research issue for years. Typically, in related work, precomputed statistics are employed in order to estimate the expected result quality of each ...
ACMICEC
2007
ACM
13 years 12 months ago
2007
ACM
We investigate asymptotically optimal keyword auctions, that is, auctions which maximize revenue as the number of bidders grows. We do so under two alternative behavioral assumpti...