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PVLDB
2010
143views more  PVLDB 2010»
15 years 5 months ago
Embellishing Text Search Queries To Protect User Privacy
Users of text search engines are increasingly wary that their activities may disclose confidential information about their business or personal profiles. It would be desirable f...
HweeHwa Pang, Xuhua Ding, Xiaokui Xiao
SIGMOD
2010
ACM
204views Database» more  SIGMOD 2010»
15 years 4 months ago
Multi-dimensional keyword-based image annotation and search
Effective keyword search on image databases is a major open problem, due to the inherent imprecision of keywords (tags) used to describe images' content. In this paper we pre...
Ilaria Bartolini, Paolo Ciaccia
SIGKDD
2010
146views more  SIGKDD 2010»
15 years 1 months ago
Latent semantic indexing (LSI) fails for TREC collections
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...
Avinash Atreya, Charles Elkan
SAC
2011
ACM
14 years 9 months ago
Biomedical concept extraction based on combining the content-based and word order similarities
It is well known that the main objective of conceptual retrieval models is to go beyond simple term matching by relaxing term independence assumption through concept recognition. ...
Duy Dinh, Lynda Tamine
ECIR
2009
Springer
16 years 4 months ago
Revisiting N-Gram Based Models for Retrieval in Degraded Large Collections
The traditional retrieval models based on term matching are not effective in collections of degraded documents (output of OCR or ASR systems for instance). This paper presents a n...
Javier Parapar, Ana Freire, Alvaro Barreiro