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» Efficient Phrase Querying with Common Phrase Index
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ICDAR
2011
IEEE
12 years 7 months ago
Towards Searchable Digital Urdu Libraries - A Word Spotting Based Retrieval Approach
—Libraries in South Asia hold huge collections of valuable printed documents in Urdu and it is of interest to digitize these collections to make them more accessible. The unavail...
Ali Abidi, Imran Siddiqi, Khurram Khurshid
SIGMOD
2008
ACM
142views Database» more  SIGMOD 2008»
14 years 7 months ago
Cost-based variable-length-gram selection for string collections to support approximate queries efficiently
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
Xiaochun Yang, Bin Wang, Chen Li
RIAO
1994
13 years 8 months ago
An Association Thesaurus for Information Retrieval
Although commonly used in both commercial and experimental information retrieval systems, thesauri have not demonstrated consistent bene ts for retrieval performance, and it is di...
Bruce Croft, Jing Yufeng
VLDB
1990
ACM
106views Database» more  VLDB 1990»
13 years 11 months ago
The Time Index: An Access Structure for Temporal Data
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
Ramez Elmasri, Gene T. J. Wuu, Yeong-Joon Kim
WWW
2006
ACM
14 years 8 months ago
CWS: a comparative web search system
In this paper, we define and study a novel search problem: Comparative Web Search (CWS). The task of CWS is to seek relevant and comparative information from the Web to help users...
Jian-Tao Sun, Xuanhui Wang, Dou Shen, Hua-Jun Zeng...