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DEXA
2007
Springer
126views Database» more  DEXA 2007»
9 years 6 months ago
Compiling Declarative Specifications of Parsing Algorithms
Abstract. The parsing schemata formalism allows us to describe parsing algorithms in a simple, declarative way by capturing their fundamenntics while abstracting low-level detail. ...
Carlos Gómez-Rodríguez, Jesús...
DEXA
2007
Springer
107views Database» more  DEXA 2007»
9 years 6 months ago
When Mobile Objects' Energy Is Not So Tight: A New Perspective on Scalability Issues of Continuous Spatial Query Systems
The two dominant costs in continuous spatial query systems are the wireless communication cost for location update, and the evaluation cost for query processing. Existing works add...
Tai T. Do, Fuyu Liu, Kien A. Hua
DEXA
2007
Springer
114views Database» more  DEXA 2007»
9 years 6 months ago
Data Management for Mobile Ajax Web 2.0 Applications
Whenever Ajax applications on mobile devices have to retrieve large XML data fragments from a remote server, a reduction of the exchanged data volume may be crucial to manage limit...
Stefan Böttcher, Rita Steinmetz
DEXA
2007
Springer
176views Database» more  DEXA 2007»
9 years 8 months ago
Benchmarking RDF Production Tools
Since a big part of web content is stored in relational databases (RDB) there are several approaches for generating of semantic web metadata from RDB. In our previous work we desig...
Martin Svihla, Ivan Jelínek
DEXA
2007
Springer
154views Database» more  DEXA 2007»
9 years 8 months ago
Performance Oriented Schema Matching
Abstract. Semantic matching of schemas in heterogeneous data sharing systems is time consuming and error prone. Existing mapping tools employ semi-automatic techniques for mapping ...
Khalid Saleem, Zohra Bellahsene, Ela Hunt
DEXA
2007
Springer
112views Database» more  DEXA 2007»
9 years 8 months ago
A Dynamic Labeling Scheme Using Vectors
Abstract. The labeling problem of dynamic XML documents has received increasing research attention. When XML documents are subject to insertions and deletions of nodes, it is impor...
Liang Xu, Zhifeng Bao, Tok Wang Ling
DEXA
2007
Springer
115views Database» more  DEXA 2007»
9 years 8 months ago
Ontology Modularization for Knowledge Selection: Experiments and Evaluations
Problems with large monolithical ontologies in terms of reusability, scalability and maintenance have lead to an increasing interest in modularization techniques for ontologies. Cu...
Mathieu d'Aquin, Anne Schlicht, Heiner Stuckenschm...
DEXA
2007
Springer
141views Database» more  DEXA 2007»
9 years 8 months ago
Indexing Set-Valued Attributes with a Multi-level Extendible Hashing Scheme
We present an access method for set-valued attributes that is based on a multi-level extendible hashing scheme. This scheme avoids exponential directory growth for skewed data and...
Sven Helmer, Robin Aly, Thomas Neumann, Guido Moer...
DEXA
2007
Springer
127views Database» more  DEXA 2007»
9 years 8 months ago
A Method for Determining Ontology-Based Semantic Relevance
The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
Tuukka Ruotsalo, Eero Hyvönen
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