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ICDE
2007
IEEE
103views Database» more  ICDE 2007»
14 years 9 months ago
A Semantic Approach to Discovering Schema Mapping Expressions
In many applications it is important to find a meaningful relationship between the schemas of a source and target database. This relationship is expressed in terms of declarative ...
Alexander Borgida, John Mylopoulos, Renée J...
WAIM
2004
Springer
14 years 1 months ago
Semantic Search in the WWW Supported by a Cognitive Model
Abstract. Most users of the WWW want their searches to be effective. Currently, there exists a wide variety of efficient syntactic tools that have can be used for search in the WWW...
Katia Wechsler, Jorge A. Baier, Miguel Nussbaum, R...
EWMF
2005
Springer
14 years 1 months ago
Semi-automatic Construction of Topic Ontologies
In this paper, we review two techniques for topic discovery in collections of text documents (Latent Semantic Indexing and K-Means clustering) and present how we integrated them in...
Blaz Fortuna, Dunja Mladenic, Marko Grobelnik
WWW
2003
ACM
14 years 8 months ago
Agent-based semantic web services
The Web Services world consists of loosely-coupled distributed systems which adapt to ad-hoc changes by the use of service descriptions that enable opportunistic service discovery...
Nicholas Gibbins, Stephen Harris, Nigel Shadbolt
WISE
2002
Springer
14 years 21 days ago
UTML: Unified Transaction Modeling Language
Web transactions may be complex, composed of several sub-transactions accessing different resources including legacy systems. They may also have complex semantics. To deal with co...
Nektarios Gioldasis, Stavros Christodoulakis