231 search results - page 6 / 47 » Holistic Query Expansion Using Graphical Models |
NLDB
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. In this paper, we target document ranking in a highly technical field with the aim to approximate a ranking that is obtained through an existing ontology (knowledge stru...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
We address a specific enterprise document search scenario, where the information need is expressed in an elaborate manner. In our scenario, information needs are expressed using a...
CIKM
2004
Springer
14 years 1 months ago
2004
Springer
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
IIR
2010
13 years 9 months ago
2010
This paper presents a vector space model approach, for representing documents and queries, using concepts instead of terms and WordNet as a light ontology. This way, information o...
ACL
2010
13 years 5 months ago
2010
Bag-of-words approaches to information retrieval (IR) are effective but assume independence between words. The Hyperspace Analogue to Language (HAL) is a cognitively motivated and...