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VLDB
2002
ACM
166views Database» more  VLDB 2002»
15 years 6 months ago
COMA - A System for Flexible Combination of Schema Matching Approaches
Schema matching is the task of finding semantic correspondences between elements of two schemas. It is needed in many database applications, such as integration of web data source...
Hong Hai Do, Erhard Rahm
GIS
2008
ACM
16 years 8 months ago
Efficient data modeling and querying system for multi-dimensional spatial data
Multi-dimensional spatial data are obtained when a number of data acquisition devices are deployed at different locations to measure a certain set of attributes of the study subje...
Wei Li, Cindy X. Chen
DEXAW
2007
IEEE
137views Database» more  DEXAW 2007»
16 years 1 months ago
FCA for contextual semantic navigation and information retrieval in heterogeneous information systems
This paper presents an information retrieval methodology which uses Formal Concept Analysis in conjunction with semantics to provide contextual answers to users’ queries. User f...
Géraldine Polaillon, Marie-Aude Aufaure, B&...
SIGMOD
1989
ACM
118views Database» more  SIGMOD 1989»
15 years 11 months ago
The Architecture Of An Active Data Base Management System
The HiPAC project is investigating active, time-constrained databasemanagment. An active DBMS is one which automatically executes specified actions when speciifed conditions arise...
Dennis R. McCarthy, Umeshwar Dayal
SIGMOD
2007
ACM
145views Database» more  SIGMOD 2007»
16 years 7 months ago
Why off-the-shelf RDBMSs are better at XPath than you might expect
To compensate for the inherent impedance mismatch between the relational data model (tables of tuples) and XML (ordered, unranked trees), tree join algorithms have become the prev...
Torsten Grust, Jan Rittinger, Jens Teubner