Sciweavers

BTW
2007
Springer
114views Database» more  BTW 2007»
13 years 6 months ago
Pathfinder: A Relational Query Optimizer Explores XQuery Terrain
Jan Rittinger, Jens Teubner, Torsten Grust
BTW
2007
Springer
133views Database» more  BTW 2007»
13 years 8 months ago
Pathfinder: XQuery Compila-tion Techniques for Relational Database Targets
: Relational database systems are highly efficient hosts to table-shaped data. It is all the more interesting to see how a careful inspection of both, the XML tree structure as wel...
Jens Teubner
BTW
2007
Springer
236views Database» more  BTW 2007»
13 years 8 months ago
A Classification of Schema Mappings and Analysis of Mapping Tools
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
Frank Legler, Felix Naumann
BTW
2007
Springer
183views Database» more  BTW 2007»
13 years 8 months ago
Efficient Reverse k-Nearest Neighbor Estimation
: The reverse k-nearest neighbor (RkNN) problem, i.e. finding all objects in a data set the k-nearest neighbors of which include a specified query object, has received increasing a...
Elke Achtert, Christian Böhm, Peer Kröge...
BTW
2007
Springer
153views Database» more  BTW 2007»
13 years 8 months ago
Efficient Time-Travel on Versioned Text Collections
: The availability of versioned text collections such as the Internet Archive opens up opportunities for time-aware exploration of their contents. In this paper, we propose time-tr...
Klaus Berberich, Srikanta J. Bedathur, Gerhard Wei...
BTW
2007
Springer
131views Database» more  BTW 2007»
13 years 8 months ago
TopX - Efficient and Versatile Top-k Query Process-ing for Text, Semistructured, and Structured Data
: This paper presents a comprehensive overview of the TopX search engine, an extensive framework for unified indexing and querying large collections of unstructured, semistructured...
Martin Theobald, Ralf Schenkel, Gerhard Weikum
BTW
2007
Springer
128views Database» more  BTW 2007»
13 years 8 months ago
A metamodeling architecture and a domain-specific ontology for a biological image database
Abstract: Coupling of metamodeling architectures and ontologies for domain descriptions is widely discussed in information system engineering research groups. Here we present the f...
Arnaud da Costa, Eric Leclercq, Arnaud Gaudin, Jea...
BTW
2007
Springer
292views Database» more  BTW 2007»
13 years 8 months ago
Effective and Efficient Indexing for Large Video Databases
Abstract: Content based multimedia retrieval is an important topic in database systems. An emerging and challenging topic in this area is the content based search in video data. A ...
Christian Böhm, Peter Kunath, Alexey Pryakhin...
BTW
2007
Springer
212views Database» more  BTW 2007»
13 years 10 months ago
Instance Matching with COMA++
: Schema matching is the process of identifying semantic correspondences between schemas. COMA++ is a matching prototype which uses several characteristics of schemas to determine ...
Daniel Engmann, Sabine Maßmann
BTW
2007
Springer
106views Database» more  BTW 2007»
13 years 10 months ago
Context-Based Data Tailoring for Mobile Users
: Independent, heterogeneous, distributed, sometimes transient and mobile data sources produce an enormous amount of information that should be semantically integrated and filtere...
Letizia Tanca