'Query relaxation' diaporamas de présentation

CoBase: Scalable and Extensible Cooperative Information System

CoBase: Scalable and Extensible Cooperative Information System. Wesley W. Chu Computer Science Department University of California, Los Angeles http://www.cobase.cs.ucla.edu. Conventional Query Answering. Need to know the detailed database schema Cannot get approximate answers

1.3k views • 118 slides

CoBase: Scalable and Extensible Cooperative Information System

CoBase: Scalable and Extensible Cooperative Information System. Wesley W. Chu Computer Science Department University of California, Los Angeles http://www.cobase.cs.ucla.edu. Conventional Query Answering. Need to know the detailed database schema Cannot get approximate answers

1.22k views • 108 slides

CoBase: Scalable and Extensible Cooperative Information System

CoBase: Scalable and Extensible Cooperative Information System. Wesley W. Chu Computer Science Department University of California, Los Angeles http://www.cobase.cs.ucla.edu. Conventional Query Answering. Need to know the detailed database schema Cannot get approximate answers

671 views • 58 slides

CoBase: Scalable and Extensible Cooperative Information System

CoBase: Scalable and Extensible Cooperative Information System. Wesley W. Chu Computer Science Department University of California, Los Angeles http://www.cobase.cs.ucla.edu. Conventional Query Answering. Need to know the detailed database schema Cannot get approximate answers

585 views • 58 slides

Cooperative XML (CoXML) Query Answering

544 views • 53 slides

How Could We All Get Along on the Web 2.0? The Power of Structured Data on the Web

Sihem Amer Yahia Yahoo! Research. How Could We All Get Along on the Web 2.0? The Power of Structured Data on the Web. Outline. Web search and web 2.0 search Why should we all get along? How could we all get along? Related work Conclusion. Web search.

664 views • 52 slides

Relaxation of XML Documents

Relaxation of XML Documents. Wesley W. Chu Computer Science Department UCLA wwc@ucla.edu September 19, 2000. Outline. Goals Transformation of XML to Relational Tables Relaxation Example queries Future directions. Goals.

425 views • 42 slides

Relaxing Join and Selection Queries

Relaxing Join and Selection Queries. Rares Vernica UC Irvine, USA Joint work with Nick Koudas, Chen Li, and Anthony K. H. Tung. Query Example. SELECT * FROM Jobs J, Candidates C WHERE J.Salary <= 95 AND J.Zipcode = C.Zipcode AND C.WorkExp >= 5;.

423 views • 32 slides

Relaxing Join and Selection Queries

Relaxing Join and Selection Queries. Rares Vernica UC Irvine, USA Joint work with Nick Koudas, Chen Li, and Anthony K. H. Tung. Query Example. SELECT * FROM Jobs J, Candidates C WHERE J.Salary <= 95 AND J.Zipcode = C.Zipcode AND C.WorkExp >= 5;.

325 views • 32 slides

CoXML: A Cooperative XML Query Answering System

CoXML: A Cooperative XML Query Answering System. Shaorong Liu and Wesley W. Chu APWeb/WAIM 2007. Motivation. X ML has become the standard format for information representation and data exchange XML schema is usually very complex

223 views • 22 slides