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ICALP
2000
Springer
15 years 3 months ago
2000
Springer
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...
LICS
2005
IEEE
15 years 5 months ago
2005
IEEE
There are two main paradigms for querying semi structured data: regular path queries and XPath. The aim of this paper is to provide a synthesis between these two. This synthesis i...
DCOSS
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. Every physical event results in a natural information gradient in the proximity of the phenomenon. Moreover, many physical phenomena follow the diffusion laws. This natu...
IS
2007
14 years 11 months ago
2007
User queries on extensible markup language (XML) documents are typically expressed as regular path expressions. A variety of indexing techniques for efficiently retrieving the re...
106
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SIGMOD
2010
ACM
15 years 3 months ago
2010
ACM
A database application differs form regular applications in that some of its inputs may be database queries. The program will execute the queries on a database and may use any re...