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CORR
2010
Springer
147views Education» more  CORR 2010»
15 years 1 months ago
Matching Dependencies with Arbitrary Attribute Values: Semantics, Query Answering and Integrity Constraints
Matching dependencies (MDs) are used to declaratively specify the identification (or matching) of certain attribute values in pairs of database tuples when some similarity conditi...
Jaffer Gardezi, Leopoldo E. Bertossi, Iluju Kiring...
DEXA
2004
Springer
172views Database» more  DEXA 2004»
15 years 9 months ago
On the Automation of Similarity Information Maintenance in Flexible Query Answering Systems
This paper proposes a method for automatic maintaining the similarity information for a particular class of Flexible Query Answering Systems (FQAS). The paper describes the three m...
Balázs Csanád Csáji, Josef K&...
WISE
2002
Springer
15 years 9 months ago
Querying Web Data - The WebQA Approach
The common paradigm of searching and retrieving information on the Web is based on keyword-based search using one or more search engines, and then browsing through the large numbe...
Sunny K. S. Lam, M. Tamer Özsu
ADBIS
1998
Springer
100views Database» more  ADBIS 1998»
15 years 8 months ago
Multiple Range Query Optimization in Spatial Databases
In order to answer efficiently range queries in 2-d R-trees, first we sort queries by means of a space filling curve, then we group them together, and finally pass them for process...
Apostolos Papadopoulos, Yannis Manolopoulos
ICDE
1998
IEEE
99views Database» more  ICDE 1998»
15 years 8 months ago
Query Folding with Inclusion Dependencies
Query folding is a technique for determining how a query may be answered using a given set of resources, which may include materialized views, cached results of previous queries, ...
Jarek Gryz