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» Typed Query Languages for Databases Containing Queries
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PVLDB
2008
136views more  PVLDB 2008»
13 years 8 months ago
Keyword query cleaning
Unlike traditional database queries, keyword queries do not adhere to predefined syntax and are often dirty with irrelevant words from natural languages. This makes accurate and e...
Ken Q. Pu, Xiaohui Yu
ICDE
2011
IEEE
232views Database» more  ICDE 2011»
13 years 13 days ago
XClean: Providing valid spelling suggestions for XML keyword queries
—An important facility to aid keyword search on XML data is suggesting alternative queries when user queries contain typographical errors. Query suggestion thus can improve users...
Yifei Lu, Wei Wang, Jianxin Li, Chengfei Liu
ADBIS
2004
Springer
122views Database» more  ADBIS 2004»
14 years 2 months ago
Implementing a Query Language for Context-Dependent Semistructured Data
Abstract. In today’s global environment, the structure and presentation of information may depend on the underlying context of the user. To address this issue, in previous work w...
Yannis Stavrakas, Kostis Pristouris, Antonis Efand...
ICDE
1990
IEEE
57views Database» more  ICDE 1990»
14 years 23 days ago
Supporting Universal Quantification in a Two-Dimensional Database Query Language
Kyu-Young Whang, Ashok Malhotra, Gary H. Sockut, L...
ACMSE
2005
ACM
14 years 2 months ago
Metadata management and relational databases
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...
Shun Yan Cheung, James J. Lu, Catharine M. Wyss