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EDBT
2008
ACM
122views Database» more  EDBT 2008»
14 years 7 months ago
Mining all frequent projection-selection queries from a relational table
In this paper we study the problem of mining all frequent queries in a given database table, a problem known to be intractable even for conjunctive queries. We restrict our attent...
Tao-Yuan Jen, Dominique Laurent, Nicolas Spyratos
EDBT
2008
ACM
132views Database» more  EDBT 2008»
14 years 7 months ago
Indexing high-dimensional data in dual distance spaces: a symmetrical encoding approach
Due to the well-known dimensionality curse problem, search in a high-dimensional space is considered as a "hard" problem. In this paper, a novel symmetrical encoding-bas...
Yi Zhuang, Yueting Zhuang, Qing Li, Lei Chen 0002,...
EDBT
2008
ACM
124views Database» more  EDBT 2008»
14 years 7 months ago
Scalable XQuery type matching
XML Schema awareness has been an integral part of the XQuery language since its early design stages. Matching XML data against XML types is the main operation that backs up XQuery...
Jens Teubner
EDBT
2008
ACM
169views Database» more  EDBT 2008»
14 years 7 months ago
Efficient online top-K retrieval with arbitrary similarity measures
The top-k retrieval problem requires finding k objects most similar to a given query object. Similarities between objects are most often computed as aggregated similarities of the...
Prasad M. Deshpande, Deepak P, Krishna Kummamuru
EDBT
2008
ACM
112views Database» more  EDBT 2008»
14 years 7 months ago
Ownership protection of shape datasets with geodesic distance preservation
Protection of one's intellectual property is a topic with important technological and legal facets. The significance of this issue is amplified nowadays due to the ease of da...
Michail Vlachos, Claudio Lucchese, Deepak Rajan, P...
EDBT
2008
ACM
111views Database» more  EDBT 2008»
14 years 7 months ago
Schema polynomials and applications
Conceptual complexity is emerging as a new bottleneck as data-base developers, application developers, and database administrators struggle to design and comprehend large, complex...
Kenneth A. Ross, Julia Stoyanovich
EDBT
2008
ACM
173views Database» more  EDBT 2008»
14 years 7 months ago
SeMap: a generic mapping construction system
Most previous schema mapping works focus on creating mappings in specific data models for data transformation, failing to capture a richer set of possible relationships between sc...
Ting Wang, Rachel Pottinger
EDBT
2008
ACM
166views Database» more  EDBT 2008»
14 years 7 months ago
Social ties and their relevance to churn in mobile telecom networks
Social Network Analysis has emerged as a key paradigm in modern sociology, technology, and information sciences. The paradigm stems from the view that the attributes of an individ...
Koustuv Dasgupta, Rahul Singh, Balaji Viswanathan,...
EDBT
2008
ACM
118views Database» more  EDBT 2008»
14 years 7 months ago
Robustness in automatic physical database design
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
Kareem El Gebaly, Ashraf Aboulnaga
EDBT
2008
ACM
106views Database» more  EDBT 2008»
14 years 7 months ago
Highly scalable trip grouping for large-scale collective transportation systems
Transportation?related problems, like road congestion, parking, and pollution, are increasing in most cities. In order to reduce traffic, recent work has proposed methods for vehi...
Gyözö Gidófalvi, Torben Bach Pede...