91 search results - page 12 / 19 » Cross-Language Retrieval for the CLEF Collections - Comparin... |
IJCAI
1997
13 years 8 months ago
1997
A semi-structured information space consists of multiple collections of textual documents containing fielded or tagged sections. The space can be highly heterogeneous, because eac...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Current Information Retrieval systems use inverted index structures for efficient query processing. Due to the extremely large size of many data sets, these index structures are u...
ECIR
2007
Springer
13 years 9 months ago
2007
Springer
We consider the issue of query performance, and we propose a novel method for automatically predicting the difficulty of a query. Unlike a number of existing techniques which are b...
TMM
2010
13 years 2 months ago
2010
This paper describes a novel method for browsing a large video collection. It links various forms of related video fragments together as threads. These threads are based on query r...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Algorithms in distributed information retrieval often rely on accurate knowledge of the size of a collection. The "multiple capture-recapture" method of Shokouhi et al. ...