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SBBD
2001
119views Database» more  SBBD 2001»
13 years 8 months ago
The Dimension-Join: A New Index for Data Warehouses
There are several auxiliary pre-computed access structures that allow faster answers by reading less base data. Examples are materialized views, join indexes, B-tree and bitmap in...
Pedro Bizarro, Henrique Madeira
CIKM
2007
Springer
14 years 1 months ago
Predictive user click models based on click-through history
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
Benjamin Piwowarski, Hugo Zaragoza
ER
2003
Springer
129views Database» more  ER 2003»
14 years 18 days ago
Querying Heterogeneous XML Sources through a Conceptual Schema
XML is a widespread W3C standard used by several kinds of applications for data representation and exchange over the web. In the context of a system that provides semantic integrat...
Sandro Daniel Camillo, Carlos A. Heuser, Ronaldo d...
MM
2005
ACM
172views Multimedia» more  MM 2005»
14 years 29 days ago
Learning the semantics of multimedia queries and concepts from a small number of examples
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...
Apostol Natsev, Milind R. Naphade, Jelena Tesic
SIGMOD
2003
ACM
209views Database» more  SIGMOD 2003»
14 years 7 months ago
Distributed Top-K Monitoring
The querying and analysis of data streams has been a topic of much recent interest, motivated by applications from the fields of networking, web usage analysis, sensor instrumenta...
Brian Babcock, Chris Olston