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» Document Image Retrieval using Signatures as Queries
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WWW
2004
ACM
16 years 5 months ago
Managing versions of web documents in a transaction-time web server
This paper presents a transaction-time HTTP server, called ? Apache that supports document versioning. A document often consists of a main file formatted in HTML or XML and severa...
Curtis E. Dyreson, Hui-ling Lin, Yingxia Wang
SCIA
2009
Springer
130views Image Analysis» more  SCIA 2009»
15 years 11 months ago
Improving Automatic Video Retrieval with Semantic Concept Detection
We study the usefulness of intermediate semantic concepts in bridging the semantic gap in automatic video retrieval. The results of a series of large-scale retrieval experiments, w...
Markus Koskela, Mats Sjöberg, Jorma Laaksonen
CIKM
2009
Springer
15 years 11 months ago
A query model based on normalized log-likelihood
Leveraging information from relevance assessments has been proposed as an effective means for improving retrieval. We introduce a novel language modeling method which uses inform...
Edgar Meij, Wouter Weerkamp, Maarten de Rijke
PODS
2000
ACM
179views Database» more  PODS 2000»
15 years 9 months ago
Selectivity Estimation for Boolean Queries
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukris...
ANLP
2000
127views more  ANLP 2000»
15 years 6 months ago
Answer Extraction
Information retrieval systems have typically concentrated on retrieving a set of documents which are relevant to a user's query. This paper describes a system that attempts t...
Steven P. Abney, Michael Collins, Amit Singhal