224 search results - page 19 / 45 » Conceptual Language Models for Context-Aware Text Retrieval |
INEX
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. This paper explores the possibility of using a modified Expectation-Maximization algorithm to estimate parameters for a simple hierarchical generative model for XML retr...
WSDM
2009
ACM
14 years 2 months ago
2009
ACM
Temporal expressions, such as between 1992 and 2000, are frequent across many kinds of documents. Text retrieval, though, treats them as common terms, thus ignoring their inherent...
SIGIR
1998
ACM
13 years 11 months ago
1998
ACM
Extraction of phrasal knowledge, such as proper names, domain-specific keyphrases and lexical templates from a domain-specific text collection are significant for developing effec...
JURIX
2008
13 years 9 months ago
2008
Abstract. There exist two broad approaches to information retrieval (IR) in the legal domain: those based on manual knowledge engineering (KE) and those based on natural language p...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
We propose a language-model-based ranking approach for SPARQLlike queries on entity-relationship graphs. Our ranking model supports exact matching, approximate structure matching,...