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VLDB
1994
ACM
128views Database» more  VLDB 1994»
15 years 2 months ago
An Algebraic Approach to Rule Analysis in Expert Database Systems
Expert database systems extend the functionality of conventional database systems by providing a facility for creating and automatically executing Condition-Action rules. While Con...
Elena Baralis, Jennifer Widom
ICDE
2010
IEEE
210views Database» more  ICDE 2010»
15 years 2 months ago
IQ^P: Incremental Query Construction, a Probabilistic Approach
—This paper presents IQP - a novel approach to bridge the gap between usability of keyword search and expressiveness of database queries. IQP enables a user to start with an arbi...
Elena Demidova, Xuan Zhou, Wolfgang Nejdl
SIGMOD
2010
ACM
228views Database» more  SIGMOD 2010»
15 years 2 months ago
Probabilistic string similarity joins
Edit distance based string similarity join is a fundamental operator in string databases. Increasingly, many applications in data cleaning, data integration, and scientific compu...
Jeffrey Jestes, Feifei Li, Zhepeng Yan, Ke Yi
ICDE
2003
IEEE
145views Database» more  ICDE 2003»
15 years 11 months ago
PXML: A Probabilistic Semistructured Data Model and Algebra
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
Edward Hung, Lise Getoor, V. S. Subrahmanian
VLDB
2007
ACM
95views Database» more  VLDB 2007»
15 years 10 months ago
Matching Twigs in Probabilistic XML
Evaluation of twig queries over probabilistic XML is investigated. Projection is allowed and, in particular, a query may be Boolean. It is shown that for a well-known model of pro...
Benny Kimelfeld, Yehoshua Sagiv