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DKE
2006
109views more  DKE 2006»
13 years 7 months ago
Xandy: A scalable change detection technique for ordered XML documents using relational databases
Previous work in change detection to XML documents is not suitable for detecting the changes to large XML documents as it requires a lot of memory to keep the two versions of XML ...
Erwin Leonardi, Sourav S. Bhowmick
DBSEC
2009
130views Database» more  DBSEC 2009»
13 years 8 months ago
Implementing Reflective Access Control in SQL
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege in an access control ...
Lars E. Olson, Carl A. Gunter, William R. Cook, Ma...
VLDB
1989
ACM
98views Database» more  VLDB 1989»
13 years 11 months ago
A Family of Incomplete Relational Database Models
In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...
Adegbemiga Ola, Gultekin Özsoyoglu
VLDB
2004
ACM
161views Database» more  VLDB 2004»
14 years 8 months ago
Supporting top-k join queries in relational databases
Ranking queries produce results that are ordered on some computed score. Typically, these queries involve joins, where users are usually interested only in the top-k join results....
Ihab F. Ilyas, Walid G. Aref, Ahmed K. Elmagarmid
WWW
2009
ACM
14 years 8 months ago
Triplify: light-weight linked data publication from relational databases
In this paper we present Triplify ? a simplistic but effective approach to publish Linked Data from relational databases. Triplify is based on mapping HTTP-URI requests onto relat...
Sören Auer, Sebastian Dietzold, Jens Lehmann,...