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» Managing Expressions as Data in Relational Database Systems
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TCS
2008
15 years 6 months ago
Itemset frequency satisfiability: Complexity and axiomatization
Computing frequent itemsets is one of the most prominent problems in data mining. We study the following related problem, called FREQSAT, in depth: given some itemset-interval pai...
Toon Calders
VLDB
2006
ACM
190views Database» more  VLDB 2006»
16 years 6 months ago
Online summarization of dynamic time series data
Managing large-scale time series databases has attracted significant attention in the database community recently. Related fundamental problems such as dimensionality reduction, tr...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
NPIV
1998
ACM
101views Visualization» more  NPIV 1998»
15 years 11 months ago
Supporting dynamic information visualization with VRML and databases
Nowadays, many state-of-the-art user interfaces to complexly structured data collections require appropriate information visualization methods. With the increase in graphics perfo...
Thomas Risse, Martin Leissler, Matthias Hemmje, Ka...
ISMIR
2004
Springer
114views Music» more  ISMIR 2004»
16 years 5 hour ago
Architecture for an MPEG-7 Web Browser
The MPEG-7 standard provides description mechanisms and taxonomy management for multimedia documents. There are several approaches to design a multimedia database system using MPE...
Òscar Celma
DEXAW
2002
IEEE
118views Database» more  DEXAW 2002»
15 years 11 months ago
From Location Databases to Pervasive Catalog
One characteristic of the next generation wireless mobile environments is a high level of interoperability between mobile applications and services. This imposes significant dema...
Panos K. Chrysanthis, Vladimir Zadorozhny