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» Process algebra for performance evaluation
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TDM
2004
203views Database» more  TDM 2004»
15 years 5 months ago
Relational Algebra: Mother Tongue - XQuery: Fluent
This work may be seen as a further proof of the versatility of the relational database model. Here, we add XQuery to the catalog of languages which RDBMSs are able to "speak&...
Torsten Grust, Jens Teubner
VLDB
2005
ACM
85views Database» more  VLDB 2005»
15 years 9 months ago
Pattern Tree Algebras: Sets or Sequences?
XML and XQuery semantics are very sensitive to the order of the produced output. Although pattern-tree based algebraic approaches are becoming more and more popular for evaluating...
Stelios Paparizos, H. V. Jagadish
PODS
2010
ACM
187views Database» more  PODS 2010»
15 years 9 months ago
Incremental query evaluation in a ring of databases
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
Christoph Koch
ITS
2004
Springer
104views Multimedia» more  ITS 2004»
15 years 9 months ago
Student Question-Asking Patterns in an Intelligent Algebra Tutor
Cognitive Tutors are proven effective learning environments, but are still not as effective as one-on-one human tutoring. We describe an environment (ALPS) designed to engage stude...
Lisa Anthony, Albert T. Corbett, Angela Z. Wagner,...
PE
2000
Springer
95views Optimization» more  PE 2000»
15 years 3 months ago
Compositional performance modelling with the TIPPtool
Stochastic process algebras have been proposed as compositional specification formalisms for performance models. In this paper, we describe a tool which aims at realising all bene...
Holger Hermanns, Ulrich Herzog, Ulrich Klehmet, Va...