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» On Supporting Containment Queries in Relational Database Man...
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WWW
2011
ACM
14 years 11 months ago
Rewriting queries on SPARQL views
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
Wangchao Le, Songyun Duan, Anastasios Kementsietsi...
152
Voted
PODS
2008
ACM
143views Database» more  PODS 2008»
16 years 4 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
DEXAW
1998
IEEE
160views Database» more  DEXAW 1998»
15 years 9 months ago
Coordination in Message-Based Environments: Restructuring Internet E-Mail to Accomplish Tasks
In this paper we consider e-mail as a task management tool. Our general goal is to restructure the domain of e-mail. The purpose is to make e-mail even more suitable for messageba...
Juha Takkinen, Nahid Shahmehri
DAGM
1999
Springer
15 years 9 months ago
Knowledge Discovery in Spatial Databases
Both, the number and the size of spatial databases, such as geographic or medical databases, are rapidly growing because of the large amount of data obtained from satellite images,...
Martin Ester, Hans-Peter Kriegel, Jörg Sander
FAST
2004
15 years 6 months ago
Atropos: A Disk Array Volume Manager for Orchestrated Use of Disks
The Atropos logical volume manager allows applications to exploit characteristics of its underlying collection of disks. It stripes data in track-sized units and explicitly expose...
Jiri Schindler, Steven W. Schlosser, Minglong Shao...