2607 search results - page 86 / 522 » An Ontology-Based Information Retrieval Model |
ECIR
2008
Springer
13 years 11 months ago
2008
Springer
Many traditional information retrieval models, such as BM25 and language modeling, give good retrieval effectiveness, but can be difficult to implement efficiently. Recently, docum...
ECIR
2008
Springer
13 years 11 months ago
2008
Springer
Abstract. We show that several previously proposed passage-based document ranking principles, along with some new ones, can be derived from the same probabilistic model. We use lan...
INEX
2007
Springer
14 years 4 months ago
2007
Springer
CWI and University of Twente used PF/Tijah, a flexible XML retrieval system, to evaluate structured document retrieval, multimedia retrieval, and entity ranking tasks in the conte...
SIGIR
2012
ACM
12 years 15 days ago
2012
ACM
The term online reputation addresses trust relationships amongst agents in dynamic open systems. These can appear as ratings, recommendations, referrals and feedback. Several repu...
SIGIR
2010
ACM
13 years 8 months ago
2010
ACM
We introduce in this paper the family of information-based models for ad hoc information retrieval. These models draw their inspiration from a long-standing hypothesis in IR, name...