דלג לתוכן (מקש קיצור 's')
Logo of Technion
Logo of CS Department
אירועים

אירועים

Programming Applications over the Semantic Web
event speaker icon
ודים אייזנברג, הרצאה סמינריונית למגיסטר
event date icon
יום ראשון, 25.9.2011, 12:00
event location icon
טאוב 601
Two of the hardest problems of developing data-processing applications are: (1) integrating data from heterogeneous sources, and (2) handling the inherent discrepancies between data models of the sources and models of programming languages, e.g., the object-relational impedance mismatch. The Semantic Web is a set of technologies (RDF, RDFS, OWL, SPARQL) that facilitate data integration. However, it does not solve the impedance mismatch problem. It merely exchanges object-relational impedance mismatch with object-RDF impedance mismatch. In the talk I will illustrate a solution to the impedance mismatch problem - a hybrid of RDF and objects. Essentially, we modify an object-oriented language so that RDF data items become first-class citizens of the language, and objects of the language become first-class citizens of RDF. The benefits of the hybrid model and of the modified programming language are as follows: (1) it becomes natural to use the language as a persistent programming language, where persistence issues are handled implicitly; (2) tools from both models, (such as optimizers, syntax checkers, query and reasoning engines) can be applied to the artifacts of the unified model; and (3) programming is done over a single unified conceptual model. In the talk I will present the modified programming language, explain its benefits and illustrate code optimizations. A prototype system will be presented. I will provide a background to the impedance mismatch problem and to the Semantic Web. Thus, no previous knowledge of these subjects is required.
[בחזרה לאינדקס האירועים]