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ICDT
2007
ACM
97views Database» more  ICDT 2007»
16 years 23 days ago
Combining Temporal Logics for Querying XML Documents
Close relationships between XML navigation and temporal logics have been discovered recently, in particular between logics LTL and CTL⋆ and XPath navigation, and between the µ-c...
Marcelo Arenas, Pablo Barceló, Leonid Libki...
JELIA
1990
Springer
15 years 10 months ago
Action Logic and Pure Induction
In Floyd-Hoare logic, programs are dynamic while assertions are static (hold at states). In action logic the two notions become one, with programs viewed as on-the-fly assertions ...
Vaughan R. Pratt
CSL
2008
Springer
15 years 8 months ago
Syntactic Metatheory of Higher-Order Subtyping
Abstract. We present a new proof of decidability of higher-order subtyping in the presence of bounded quantification. The algorithm is formulated as a judgement which operates on b...
Andreas Abel, Dulma Rodriguez
ICDE
2002
IEEE
181views Database» more  ICDE 2002»
15 years 11 months ago
YFilter: Efficient and Scalable Filtering of XML Documents
Soon, much of the data exchanged over the Internet will be encoded in XML, allowing for sophisticated filtering and content-based routing. We have built a filtering engine called ...
Yanlei Diao, Peter M. Fischer, Michael J. Franklin...
LICS
2009
IEEE
16 years 1 months ago
Logics with Rank Operators
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
Anuj Dawar, Martin Grohe, Bjarki Holm, Bastian Lau...