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PKDD
2005
Springer
92views Data Mining» more  PKDD 2005»
16 years 7 days ago
Mining Model Trees from Spatial Data
Mining regression models from spatial data is a fundamental task in Spatial Data Mining. We propose a method, namely Mrs-SMOTI, that takes advantage from a tight-integration with s...
Donato Malerba, Michelangelo Ceci, Annalisa Appice
PPAM
2005
Springer
16 years 7 days ago
Parallel Query Processing and Edge Ranking of Graphs
Abstract. In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorit...
Dariusz Dereniowski, Marek Kubale
SDMW
2005
Springer
16 years 7 days ago
An Authorization Framework for Sharing Data in Web Service Federations
In this paper we present our authorization framework that supports the dynamic set-up of Web service federations for sharing data within virtual federations. Building on previous w...
Martin Wimmer, Alfons Kemper
WEBDB
2005
Springer
102views Database» more  WEBDB 2005»
16 years 7 days ago
An Evaluation and Comparison of Current Peer-to-Peer Full-Text Keyword Search Techniques
Current peer-to-peer (p2p) full-text keyword search techniques fall into the following categories: document-based partitioning, keyword-based partitioning, hybrid indexing, and se...
Ming Zhong, Justin Moore, Kai Shen, Amy L. Murphy
DEXA
2004
Springer
79views Database» more  DEXA 2004»
16 years 5 days ago
Querying Distributed Data in a Super-Peer Based Architecture
Data integration is a significant challenge: relevant data objects are split across multiple information sources, and often owned by different organizations. The sources represent...
Zohra Bellahsene, Mark Roantree
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