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DBPL
1997
Springer
87views Database» more  DBPL 1997»
13 years 11 months ago
Incremental Recomputation of Recursive Queries with Nested Sets and Aggregate Functions
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
Leonid Libkin, Limsoon Wong
DBPL
1991
Springer
92views Database» more  DBPL 1991»
13 years 11 months ago
A Remote Execution Mechanism For Distributed Homogeneous Stable Stores
Persistent languages and systems provide the ability to create and manipulate all data in a uniform manner regardless of how long it persists. Such systems are usually implemented...
Alan Dearle, John Rosenberg, Francis Vaughan
DBPL
2001
Springer
167views Database» more  DBPL 2001»
14 years 1 days ago
A Temporal Query Language for OLAP: Implementation and a Case Study
Commercial OLAP systems usually treat OLAP dimensions as static entities. In practice, dimension updates are often necessary in order to adapt the multidimensional database to chan...
Alejandro A. Vaisman, Alberto O. Mendelzon
DBPL
2007
Springer
75views Database» more  DBPL 2007»
14 years 1 months ago
Querying Structural and Behavioral Properties of Business Processes
BPQL is a novel query language for querying business process specifications, introduced recently in [5, 6]. It is based on an intuitive business processes as rewriting systems, an...
Daniel Deutch, Tova Milo
DBPL
2007
Springer
91views Database» more  DBPL 2007»
14 years 1 months ago
Relational Completeness of Query Languages for Annotated Databases
Annotated relational databases can be queried either by simply making the annotations explicitly available along the ordinary data, or by adapting the standard query operators so ...
Floris Geerts, Jan Van den Bussche