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» Query Expansion and Query Reduction in Document Retrieval
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ECAI
2010
Springer
13 years 7 months ago
From bursty patterns to bursty facts: The effectiveness of temporal text mining for news
Many document collections are by nature dynamic, evolving as the topics or events they describe change. The goal of temporal text mining is to discover bursty patterns and to ident...
Ilija Subasic, Bettina Berendt
ACNS
2004
Springer
220views Cryptology» more  ACNS 2004»
14 years 2 months ago
Secure Conjunctive Keyword Search over Encrypted Data
Abstract. We study the setting in which a user stores encrypted documents (e.g. e-mails) on an untrusted server. In order to retrieve documents satisfying a certain search criterio...
Philippe Golle, Jessica Staddon, Brent R. Waters
SIGIR
2004
ACM
14 years 2 months ago
Learning effective ranking functions for newsgroup search
Web communities are web virtual broadcasting spaces where people can freely discuss anything. While such communities function as discussion boards, they have even greater value as...
Wensi Xi, Jesper Lind, Eric Brill
ICADL
2003
Springer
107views Education» more  ICADL 2003»
14 years 2 months ago
A Multimedia Digital Library System Based on MPEG-7 and XQuery
We designed and implemented a digital library system that supports content-based retrieval of multimedia objects based on MPEG-7 and XQuery. MPEG-7, a metadata standard for multim...
Mann-Ho Lee, Ji-Hoon Kang, Sung-Hyon Myaeng, Soon ...
WSDM
2010
ACM
211views Data Mining» more  WSDM 2010»
14 years 1 months ago
IntervalRank - Isotonic Regression with Listwise and Pairwise Constraints
Ranking a set of retrieved documents according to their relevance to a given query has become a popular problem at the intersection of web search, machine learning, and informatio...
Taesup Moon, Alex Smola, Yi Chang, Zhaohui Zheng