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» Rewriting of Regular Expressions and Regular Path Queries
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ICDE
2011
IEEE
263views Database» more  ICDE 2011»
14 years 1 months ago
Adding regular expressions to graph reachability and pattern queries
—It is increasingly common to find graphs in which edges bear different types, indicating a variety of relationships. For such graphs we propose a class of reachability queries ...
Wenfei Fan, Jianzhong Li, Shuai Ma, Nan Tang, Ying...
SIGMOD
2003
ACM
99views Database» more  SIGMOD 2003»
15 years 9 months ago
Reasoning on regular path queries
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...
ICDE
2000
IEEE
138views Database» more  ICDE 2000»
15 years 11 months ago
Answering Regular Path Queries Using Views
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...
ESOP
2008
Springer
14 years 11 months ago
Regular Expression Subtyping for XML Query and Update Languages
Abstract. XML database query languages such as XQuery employ regular expression types with structural subtyping. Subtyping systems typically have two presentations, which should be...
James Cheney
KR
2000
Springer
15 years 1 months ago
Containment of Conjunctive Regular Path Queries with Inverse
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...