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JCSS
2000
71views more  JCSS 2000»
13 years 8 months ago
Path Constraints in Semistructured Databases
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...
Peter Buneman, Wenfei Fan, Scott Weinstein
SIGMOD
1997
ACM
134views Database» more  SIGMOD 1997»
14 years 27 days ago
Similarity-Based Queries for Time Series Data
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We ha...
Davood Rafiei, Alberto O. Mendelzon
ICDE
1999
IEEE
134views Database» more  ICDE 1999»
14 years 10 months ago
On Similarity-Based Queries for Time Series Data
We study similarity queries for time series data where similarity is defined in terms of a set of linear transformations on the Fourier series representation of a sequence. We hav...
Davood Rafiei
SIGMOD
2007
ACM
157views Database» more  SIGMOD 2007»
14 years 8 months ago
Compiling mappings to bridge applications and databases
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
Sergey Melnik, Atul Adya, Philip A. Bernstein
CIKM
2008
Springer
13 years 10 months ago
A heuristic approach for checking containment of generalized tree-pattern queries
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
Pawel Placek, Dimitri Theodoratos, Stefanos Soulda...