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SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
15 years 9 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
SIGMOD
2004
ACM
262views Database» more  SIGMOD 2004»
15 years 9 months ago
The Next Database Revolution
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
Jim Gray
SIGMOD
2004
ACM
162views Database» more  SIGMOD 2004»
15 years 9 months ago
Graph Indexing: A Frequent Structure-based Approach
Graph has become increasingly important in modelling complicated structures and schemaless data such as proteins, chemical compounds, and XML documents. Given a graph query, it is...
Xifeng Yan, Philip S. Yu, Jiawei Han
SIGMOD
2001
ACM
134views Database» more  SIGMOD 2001»
15 years 9 months ago
Preservation of Digital Data with Self-Validating, Self-Instantiating Knowledge-Based Archives
Digital archives are dedicated to the long-term preservation of electronic information and have the mandate to enable sustained access despite rapid technology changes. Persistent...
Bertram Ludäscher, Richard Marciano, Reagan Moore
PODS
2006
ACM
88views Database» more  PODS 2006»
15 years 9 months ago
Structural characterizations of the semantics of XPath as navigation tool on a document
Given a document D in the form of an unordered labeled tree, we study the expressibility on D of various fragments of XPath, the core navigational language on XML documents. We gi...
Marc Gyssens, Jan Paredaens, Dirk Van Gucht, Georg...