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» Efficiency of Nested Relational Document Database Systems
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IS
2008
14 years 9 months ago
DFL: A dataflow language based on Petri nets and nested relational calculus
In this paper we propose DFL -- a formal, graphical workflow language for dataflows, i.e., workflows where large amounts of complex data are manipulated, and the structure of the ...
Jan Hidders, Natalia Kwasnikowska, Jacek Sroka, Je...
DEXA
2006
Springer
127views Database» more  DEXA 2006»
15 years 1 months ago
Efficient Temporal Coalescing Query Support in Relational Database Systems
Xin Zhou, Fusheng Wang, Carlo Zaniolo
64
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CLEIEJ
2006
87views more  CLEIEJ 2006»
14 years 9 months ago
Integrity Constraint Checking in Distributed Nested Transactions over a Database Cluster
This paper presents a solution to check referential integrity constraints and conjunctive global constraints in a relational multi database system. It also presents the experiment...
Stéphane Gançarski, Claudia Le&oacut...
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
15 years 9 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou