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CIKM
2010
Springer
13 years 8 months ago
Computing the top-k maximal answers in a join of ranked lists
Complex search tasks that utilize information from several data sources, are answered by integrating the results of distinct basic search queries. In such integration, each basic ...
Mirit Shalem, Yaron Kanza
GIS
2010
ACM
13 years 8 months ago
A data stream-based evaluation framework for traffic information systems
Traffic information systems based on mobile, in-car sensor technology are a challenge for data management systems as a huge amount of data has to be processed in real-time. Data m...
Sandra Geisler, Christoph Quix, Stefan Schiffer
SEMWEB
2010
Springer
13 years 7 months ago
Exploiting Relation Extraction for Ontology Alignment
When multiple ontologies are used within one application system, aligning the ontologies is a prerequisite for interoperability and unhampered semantic navigation and search. Vario...
Elena Beisswanger
GI
2009
Springer
13 years 7 months ago
Visualization of the Influence of SDF on the TMA Solution Space
: In [SH08] we introduced a method for the calculation and visualization of the whole TMA solution space. So, not only the best TMA solution, but also other solution areas with hig...
Ulrich Steimel
ICASSP
2009
IEEE
13 years 7 months ago
Weighted nonnegative matrix factorization
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
Yong-Deok Kim, Seungjin Choi