Slide 1The maturity of business ontologies and rate of adoption Examples and Challanges from the domain of eCommerce standardisation and electronic business collaborations…
Slide 11 ICS-FORTH EU-NSF Semantic Web Workshop 3-5 Oct Christophides Vassilis Database Technology for the Semantic Web Vassilis Christophides Dimitris Plexousakis Computer…
Slide 11 ICS-FORTH London 25/01/02 Christophides Vassilis On Community Web Portals and the Semantic Web: A Database Perspective Vassilis Christophides Computer Science Department,…
Slide 1Dr. Alexandra I. Cristea http://www.dcs.warwick.ac.uk/~acristea/ CS 253: Topics in Database Systems: C1 Slide 2 2 Lecturers Alexandra I. Cristea Hugh Darwen: [email protected]…
Slide 1Dr. Alexandra I. Cristea http://www.dcs.warwick.ac.uk/~acristea/ CS 253: Topics in Database Systems: C3 Slide 2 2 Previously we looked at: –XML and its query language(s)…
Slide 1XML Data Management 8. XQuery Werner Nutt Slide 2 Requirements for an XML Query Language David Maier, W3C XML Query Requirements: Closedness: output must be XML Composability:…
Slide 1Querying on the Web: XQuery, RDQL, SparQL Semantic Web - Spring 2006 Computer Engineering Department Sharif University of Technology Slide 2 2 Outline XQuery –Querying…
Slide 1Garcia-Molina, Ullman, and Widom Database Systems Chapter 2 Slide 2 Data Models A data model is a notation for describing the structure of the data in a database,…