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DEXA
2011
Springer
243views Database» more  DEXA 2011»
12 years 9 months ago
RoSeS: A Continuous Content-Based Query Engine for RSS Feeds
In this article we present RoSeS (Really Open Simple and Efficient Syndication), a generic framework for content-based RSS feed querying and aggregation. RoSeS is based on a data-...
Jordi Creus Tomàs, Bernd Amann, Nicolas Tra...
ECAI
2010
Springer
13 years 11 months ago
Learning Aggregation Functions for Expert Search
Abstract. Machine learning techniques are increasingly being applied to problems in the domain of information retrieval and text mining. In this paper we present an application of ...
Ronan Cummins, Mounia Lalmas, Colm O'Riordan
DMDW
2000
161views Management» more  DMDW 2000»
13 years 11 months ago
View materialization for nested GPSJ queries
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
Matteo Golfarelli, Stefano Rizzi
DOLAP
2000
ACM
14 years 2 months ago
Comparing Nested GPSJ Queries in Multidimensional Databases
A multidimensional database can be seen as a collection of multidimensional cubes, from which information is usually extracted by aggregation; aggregated data can be calculated ei...
Matteo Golfarelli, Stefano Rizzi
DKE
2000
75views more  DKE 2000»
13 years 9 months ago
Range queries in dynamic OLAP data cubes
A range query applies an aggregation operation (e.g., SUM) over all selected cells of an OLAP data cube where the selection is speci
Weifa Liang, Hui Wang, Maria E. Orlowska