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DEXA
2009
Springer
175views Database» more  DEXA 2009»
16 years 2 months ago
RoK: Roll-Up with the K-Means Clustering Method for Recommending OLAP Queries
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
Fadila Bentayeb, Cécile Favre
CLEF
2003
Springer
16 years 22 days ago
Pruning Texts with NLP and Expanding Queries with an Ontology: TagSearch
: The basic line of our action is first to use natural language processing to prune the texts and the query, and secondly to use an ontology to expand the queries. Last year The sy...
Gil Francopoulo
ER
2006
Springer
158views Database» more  ER 2006»
15 years 11 months ago
Database to Semantic Web Mapping Using RDF Query Languages
One of the main drawbacks of the Semantic Web is the lack of semantically rich data, since most of the information is still stored in relational databases. In this paper, we presen...
Cristian Pérez de Laborda, Stefan Conrad
194
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DASFAA
2007
IEEE
188views Database» more  DASFAA 2007»
16 years 1 months ago
Security-Conscious XML Indexing
To support secure exchanging and sharing of XML data over the Internet, a myriad of XML access control mechanisms have been proposed. In the setting of node-level fine-grained acc...
Yan Xiao, Bo Luo, Dongwon Lee
BTW
2007
Springer
110views Database» more  BTW 2007»
16 years 1 months ago
Melting Pot XML: Bringing File Systems and Databases One Step Closer
: Ever-growing data volumes demand for storage systems beyond current file systems abilities, particularly, a powerful querying capability. With the rise of XML, the database comm...
Alexander Holupirek, Christian Grün, Marc H. ...