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EDBT
2002
ACM
129views Database» more  EDBT 2002»
15 years 12 months ago
Schema-Driven Evaluation of Approximate Tree-Pattern Queries
Abstract. We present a simple query language for XML, which supports hierarchical, Boolean-connected query patterns. The interpretation of a query is founded on cost-based query tr...
Torsten Schlieder
ICASSP
2011
IEEE
14 years 3 months ago
Efficient search of music pitch contours using wavelet transforms and segmented dynamic time warping
We propose a method of music melody matching based on their “continuous” (or “time-frame-based”) pitch contours. Most previous methods using frame-based contours either ma...
Woojay Jeon, Changxue Ma
AAAI
1997
15 years 1 months ago
Query Optimization Using Local Completeness
We consider the problem of query plan optimization in information brokers. Information brokers are programs that facilitate access to collections of information sources by hiding ...
Oliver M. Duschka
MODELS
2007
Springer
15 years 6 months ago
Bidirectional Model Transformations in QVT: Semantic Issues and Open Questions
Abstract. We consider the OMG’s Queries, Views and Transformations (QVT) standard as applied to the specification of bidirectional transformations between models. We discuss wha...
Perdita Stevens
PVLDB
2010
97views more  PVLDB 2010»
14 years 10 months ago
TRAMP: Understanding the Behavior of Schema Mappings through Provenance
Though partially automated, developing schema mappings remains a complex and potentially error-prone task. In this paper, we present TRAMP (TRAnsformation Mapping Provenance), an ...
Boris Glavic, Gustavo Alonso, Renée J. Mill...