1469 search results - page 141 / 294 » Query Expansion and Query Reduction in Document Retrieval |
SIGMOD
2010
ACM
13 years 5 months ago
2010
ACM
We propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents i...
ADL
2000
Springer
14 years 2 months ago
2000
Springer
In the BlueView project, digital library services are developed and partially implemented based on the architecture of virtual document servers. Using standard tools like fulltext...
SIGMOD
2010
ACM
13 years 10 months ago
2010
ACM
Automated extraction of structured data from Web sources often leads to large heterogeneous knowledge bases (KB), with data and schema items numbering in the hundreds of thousands...
WWW
2003
ACM
14 years 3 months ago
2003
ACM
Support for temporal text-containment queries (query for all versions of documents that contained one or more particular words at a particular time t) is of interest in a number of...
ECIR
2010
Springer
13 years 12 months ago
2010
Springer
Abstract. Learning To Rank (LTR) techniques aim to learn an effective document ranking function by combining several document features. While the function learned may be uniformly ...