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» On first-order topological queries
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EDBTW
2006
Springer
13 years 11 months ago
Enhanced Regular Path Queries on Semistructured Databases
Regular path queries are the basic navigational component of virtually all the mechanisms for querying semistructured data commonly found in information integration applications, W...
Dan C. Stefanescu, Alex Thomo
TIME
2000
IEEE
13 years 12 months ago
Towards a Theory of Movie Database Queries
We present a data model for movies and movie databases. A movie is considered to be a 2-dimensional semialgebraic figure that can change in time. We give a number of computabilit...
Bart Kuijpers, Jan Paredaens, Dirk Van Gucht
ECIR
2006
Springer
13 years 9 months ago
Comparing Different Architectures for Query Routing in Peer-to-Peer Networks
Abstract. Efficient and effective routing of content-based queries is an emerging problem in peer-to-peer networks, and can be seen as an extension of the traditional "resourc...
Henrik Nottelmann, Norbert Fuhr
PODS
2008
ACM
143views Database» more  PODS 2008»
14 years 7 months ago
XPath, transitive closure logic, and nested tree walking automata
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
Balder ten Cate, Luc Segoufin
SSDBM
1999
IEEE
124views Database» more  SSDBM 1999»
13 years 11 months ago
An Indexing Scheme for Fast Similarity Search in Large Time Series Databases
We address the problem of similarity search in large time series databases. We introduce a novel indexing algorithm that allows faster retrieval. The index is formed by creating b...
Eamonn J. Keogh, Michael J. Pazzani