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KDD
2007
ACM
165views Data Mining» more  KDD 2007»
14 years 8 months ago
Efficient and effective explanation of change in hierarchical summaries
Dimension attributes in data warehouses are typically hierarchical (e.g., geographic locations in sales data, URLs in Web traffic logs). OLAP tools are used to summarize the measu...
Deepak Agarwal, Dhiman Barman, Dimitrios Gunopulos...
DLT
2008
13 years 9 months ago
Construction of Tree Automata from Regular Expressions
Abstract. Since recognizable tree languages are closed under the rational operations, every regular tree expression denotes a recognizable tree language. We provide an alternative ...
Dietrich Kuske, Ingmar Meinecke
POPL
2012
ACM
12 years 3 months ago
Recursive proofs for inductive tree data-structures
We develop logical mechanisms and decision procedures to facilitate the verification of full functional properties of inductive tree data-structures using recursion that are soun...
Parthasarathy Madhusudan, Xiaokang Qiu, Andrei Ste...
JELIA
2004
Springer
14 years 27 days ago
Explaining Subsumption by Optimal Interpolation
We describe ongoing research to support the construction of terminologies with Description Logics. For the explanation of subsumption we search for particular concepts because of t...
Stefan Schlobach
SAT
2007
Springer
118views Hardware» more  SAT 2007»
14 years 1 months ago
Improved Lower Bounds for Tree-Like Resolution over Linear Inequalities
Abstract. We continue a study initiated by Kraj´ıˇcek of a Resolutionlike proof system working with clauses of linear inequalities, R(CP). For all proof systems of this kind Kra...
Arist Kojevnikov