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» A Model of Queries for Object-Oriented Databases
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BDA
2001
15 years 5 months ago
Querying RDF Descriptions for Community Web Portals
Community Web Portals (e.g., digital libraries, vertical aggregators, infomediaries) have become quite popular nowadays in supporting specific communities of interest on corporate...
Gregory Karvounarakis, Vassilis Christophides, Dim...
SPIRE
2001
Springer
15 years 8 months ago
Distributed Query Processing Using Partitioned Inverted Files
In this paper, we study query processing in a distributed text database. The novelty is a real distributed architecture implementation that offers concurrent query service. The di...
Claudine Santos Badue, Ricardo A. Baeza-Yates, Ber...
WEBDB
2004
Springer
154views Database» more  WEBDB 2004»
15 years 9 months ago
Twig Query Processing over Graph-Structured XML Data
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
Zografoula Vagena, Mirella Moura Moro, Vassilis J....
WEBDB
2005
Springer
132views Database» more  WEBDB 2005»
15 years 10 months ago
XFrag: A Query Processing Framework for Fragmented XML Data
Data fragmentation offers various attractive alternatives to organizing and managing data, and presents interesting characteristics that may be exploited for efficient processing...
Sujoe Bose, Leonidas Fegaras
AUSDM
2007
Springer
107views Data Mining» more  AUSDM 2007»
15 years 10 months ago
Preference Networks: Probabilistic Models for Recommendation Systems
Recommender systems are important to help users select relevant and personalised information over massive amounts of data available. We propose an unified framework called Prefer...
Tran The Truyen, Dinh Q. Phung, Svetha Venkatesh