Download PDF by R. M. Duwairi, N. J. Fiddian, W. A. Gray (auth.), Ron: Advances in Databases: 14th British National Conference on

By R. M. Duwairi, N. J. Fiddian, W. A. Gray (auth.), Ron Morrison, Jessie Kennedy (eds.)

This booklet constitutes the refereed court cases of the 14th British nationwide convention on Databases, BNCOD 14, held in Edinburgh, uk, in July 1996.
The thirteen revised papers provided within the booklet in complete model including invited talks and 3 business abstracts have been chosen from a complete of forty seven submissions concerning authors from 21 nations. The papers integrated are written by means of researchers and pros from academia and undefined; the quantity is prepared in topical sections on object-oriented databases, integrity matters, database functionality and optimization, and database languages.

Show description

Read or Download Advances in Databases: 14th British National Conference on Databases, BNCOD 14 Edinburgh, United Kingdom, July 3–5, 1996 Proceedings PDF

Best international conferences and symposiums books

Download e-book for iPad: Trends in Distributed Systems for Electronic Commerce: by Charu C. Aggarwal, Joel L. Wolf (auth.), Winfried

This booklet constitutes the refereed court cases of the overseas convention on tendencies in digital trade, TREC'98, held in Hamburg, Germany, in June 1998. The booklet provides 19 revised complete papers chosen from a complete of seventy five submissions. whereas focussing regularly on technological matters, the booklet additionally takes under consideration vital social, administrative, regulatory, and felony features.

Download e-book for kindle: Parallel and Distributed Processing and Applications: by Jie Wu (auth.), Minyi Guo, Laurence Tianruo Yang (eds.)

Welcome to the lawsuits of the 2003 overseas Symposium on Parallel and disbursed Processing and functions (ISPA 2003) which was once held in Aizu-Wakamatsu urban, Japan, July 2–4, 2003. Parallel and dispensed processing has develop into a key expertise for you to play a massive half in opting for, or not less than shaping, destiny learn and improvement actions in lots of educational and business branches.

Download e-book for kindle: Conditionals, Information, and Inference: International by Ernest W. Adams (auth.), Gabriele Kern-Isberner, Wilhelm

Conditionals are interesting and flexible gadgets of data illustration. at the one hand, they might show principles in a truly common feel, representing, for instance, believable relationships, actual legislation, and social norms. however, as default ideas or normal implications, they represent a uncomplicated software for reasoning, even within the presence of uncertainty.

Extra resources for Advances in Databases: 14th British National Conference on Databases, BNCOD 14 Edinburgh, United Kingdom, July 3–5, 1996 Proceedings

Example text

Sen, S. L. Sarda Table 1. Top class matches based on propagated values of similarity of supper classes and attributes Target Class (cTq) Source Class (cSp ) Lexical Similarity S(x,y) Propagated Similarity (cmSpTq) OS:RoadRouteInformation OGC:RailRoadRoute 0,6666667 0,766666667 OS:InformationPoint OGC:TransportationPoint 0,6052632 0,723684211 OS:InformationPoint OGC:TransportationPoint 0,6052632 0,723684211 OS:RoadPartiaRouteInformation OGC:RailRoadRoute 0,5714286 0,7 OS:road OGC:RailRoadPoint 0,5 0,65 OS:road OGC:RailRoadSegment 0,5 0,65 OS:road OGC:RailRoadSwitch 0,5 0,65 OS:InformationPoint OGC:TransportationPath 0,4166667 0,591666667 OS:InformationPoint OGC:TransportationPath 0,4166667 0,591666667 OS:roadInformationMember OGC:TransportationSegment 0,4047619 0,583333333 OS:roadLink OGC:RailRoadStation 0,4 0,58 OS:roadLink OGC:RailRoadPoint 0,4 0,58 OS:roadLink OGC:RailRoadSegment 0,4 0,58 OS:roadLink OGC:RailRoadRoute 0,4 0,58 OS:roadNode OGC:RailRoadStation 0,4 0,58 OS:roadNode OGC:RailRoadSegment 0,4 0,58 OS:roadNode OGC:RailRoadRoute 0,4 0,58 OS:roadNode OGC:RailRoadBridge 0,4 0,58 Table 2.

The source used also includes a Vendor column, as shown in the sample schema near the middle of the figure. The source context corresponds to context c3, and the requester context (c_c_usa2 in the figure) is equivalent to context c2 in the online price comparison example discussed earlier. In the demonstration, the QuoteDate field can have different date formats, which we did not include in the ontology discussed earlier but can be accommodated by adding a dateFormat modifier to Date concept in the ontology in Fig.

However the experiments have also shown that there are problems with machine based similarity assessment. (i) Thesemantic similarity of individual words does not always provide a good indicator of the semantic similarity of group words. Since class descriptions were used for similarity assessment this led to false positives in many cases. (ii) Similarly although limited word senses were evaluated based on part of speech, word sense disambiguation would help to reduce number of false negatives. Such cases explain the occurrence of high percentage change of human generated similarity values among lower values machine generated values It is also important to note that use of heuristics and threshold values is critical in order to use the semi-automatic mapping approach.

Download PDF sample

Rated 4.67 of 5 – based on 23 votes