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» Query Evaluation via Tree-Decompositions
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ICDE
2007
IEEE
106views Database» more  ICDE 2007»
14 years 1 months ago
Mining Trajectory Databases via a Suite of Distance Operators
With the rapid progress of mobile devices and positioning technologies, Trajectory Databases (TD) have been in the core of database research during the last decade. Analysis and k...
Nikos Pelekis, Ioannis Kopanakis, Irene Ntoutsi, G...
ADBIS
2006
Springer
165views Database» more  ADBIS 2006»
13 years 11 months ago
Fragmenting XML Documents via Structural Constraints
Abstract. XML query processors suffer from main-memory limitations that prevent them from processing large XML documents. While content-based predicates can be used to project down...
Angela Bonifati, Alfredo Cuzzocrea, Bruno Zinno
ECWEB
2010
Springer
219views ECommerce» more  ECWEB 2010»
13 years 8 months ago
Semantic Tag Cloud Generation via DBpedia
Abstract. Many current recommender systems exploit textual annotations (tags) provided by users to retrieve and suggest online contents. The text-based recommendation provided by t...
Roberto Mirizzi, Azzurra Ragone, Tommaso Di Noia, ...
SAC
2010
ACM
14 years 2 months ago
Web-based graphical querying of databases through an ontology: the Wonder system
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...
Diego Calvanese, C. Maria Keet, Werner Nutt, Maria...
IPM
2008
115views more  IPM 2008»
13 years 7 months ago
Adapting information retrieval systems to user queries
Users enter queries that are short as well as long. The aim of this work is to evaluate techniques that can enable information retrieval (IR) systems to automatically adapt to per...
Giridhar Kumaran, James Allan