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A Visual Query Language for Business Processes

A Visual Query Language for Business Processes

A Visual Query Language for Business Processes. Catriel Beeri Hebrew University Anat Eyal, Simon Kamenkovich, Tel Aviv University Tova Milo. Outline. Introduction and motivation Overview by example System and query formal model Compact representation of query answers

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631 views • 51 slides
Efficient IR-Style Keyword Search over Relational Databases

Efficient IR-Style Keyword Search over Relational Databases

Efficient IR-Style Keyword Search over Relational Databases. Vagelis Hristidis University of California, San Diego Luis Gravano Columbia University Yannis Papakonstantinou University of California, San Diego. Motivation.

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446 views • 32 slides
A Course on Probabilistic Databases

A Course on Probabilistic Databases

A Course on Probabilistic Databases. Dan Suciu University of Washington. Outline. Part 1. Motivating Applications The Probabilistic Data Model Chapter 2 Extensional Query Plans Chapter 4.2 The Complexity of Query Evaluation Chapter 3 Extensional Evaluation Chapter 4.1

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470 views • 30 slides
SQL: The Query Language Part 1

SQL: The Query Language Part 1

SQL: The Query Language Part 1. R &G - Chapter 5. The important thing is not to stop questioning. Albert Einstein. Review. Relational Algebra (Operational Semantics) Given a query, how to mix and match the relational algebra operators to answer it Used for query optimization

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274 views • 27 slides
Efficient Evaluation of HAVING Queries on a Probabilistic Database

Efficient Evaluation of HAVING Queries on a Probabilistic Database

Efficient Evaluation of HAVING Queries on a Probabilistic Database. Christopher Re and Dan Suciu University of Washington. Evaluation of conjunctive Boolean queries with aggregate tests on probabilistic DBs: HAVING in SQL, e.g. is the SUM(profit) > 100k?

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377 views • 24 slides

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