'Conjunctive query' presentation slideshows

OWL-Gres vs Quonto

OWL-Gres vs Quonto. Angela Alvarez Rubio. Introduction. Using ontologies as a conceptual point of view on repositories of data is increasingly. These ontologies deal with large amounts of data. Most important parameter on computational complexity of reasoning. Data size.

681 views • 59 slides

CS848 Presentation

CS848 Presentation. Heng YU (Henry) h3yu@hopper.uwaterloo.ca. Paper to present. Answering queries using views: A survey by A. Y. Halevy VLDB Journal 10: pp. 270-294 2001. Outline. Introduction with examples Formal problem definitions Conditions of view usability

608 views • 54 slides

CSE 544: Lecture 10 Theory

CSE 544: Lecture 10 Theory. Wednesday, April 28, 2004. Conjunctive Queries. A subset of FO queries Correspond to SELECT-DISTINCT-FROM-WHERE Most queries in practice are conjunctive Some optimizers handle only conjunctive queries - break larger queries into many CQs

347 views • 34 slides

Answering Queries using Templates with Binding Patterns

Answering Queries using Templates with Binding Patterns. Anand Rajaraman Yehoshua Sagiv Jeffrey D.Ullman Presented By Sreekrishna Nallela. Motivation. Tsimmis translates information sources of arbitary type into a common data model and language.

429 views • 27 slides

Conjunctive Filter: Breaking the Entropy Barrier

2010 Jan. 16@ ALENEX2010 Austin Texas. Conjunctive Filter: Breaking the Entropy Barrier. Daisuke Okanohara *1, *2 Yuichi Yoshida *1*3 *1 Preferred Infrastructure Inc. *2 Dept. of Computer Science, Univ. of Tokyo *3 School of Informatics, Kyoto University.

436 views • 23 slides

Finite Model Theory Lecture 7

175 views • 9 slides

Finite Model Theory Lecture 7

92 views • 9 slides