Sciweavers

243 search results - page 16 / 49
» Document Expansion for Speech Retrieval
Sort
View
TREC
2007
15 years 1 months ago
Information Retrieval and Information Extraction in TREC Genomics 2007
In TREC Genomics a question/answering task has been proposed. A set of questions with a specific entity of interest is proposed and a set of passages from a collection of full te...
Antonio Jimeno-Yepes, Piotr Pezik
CIKM
2008
Springer
15 years 1 months ago
A latent variable model for query expansion using the hidden markov model
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...
Qiang Huang, Dawei Song
SIGIR
2008
ACM
14 years 11 months ago
Selecting good expansion terms for pseudo-relevance feedback
Pseudo-relevance feedback assumes that most frequent terms in the pseudo-feedback documents are useful for the retrieval. In this study, we re-examine this assumption and show tha...
Guihong Cao, Jian-Yun Nie, Jianfeng Gao, Stephen R...
MTA
2010
110views more  MTA 2010»
14 years 10 months ago
Thesaurus enrichment for query expansion in audiovisual archives
It is common practice in audiovisual archives to disclose documents using metadata from a structured vocabulary or thesaurus. Many of these thesauri have limited or no structure. T...
Laura Hollink, Véronique Malaisé, Gu...
TREC
1997
15 years 1 months ago
Short Queries, Natural Language and Spoken Document Retrieval: Experiments at Glasgow University
This paper contains a description of the methodology and results of the three TREC submissions made by the Glasgow IR group (glair). In addition to submitting to the ad hoc task, ...
Fabio Crestani, Mark Sanderson, Marcos Theophylact...