RDF関連メモ on Planet masaka : 2008-03

Planet masakaから2008年3月のRDF／セマンティック・ウェブ関連メモを抽出してまとめたものです。

2008-03-31

Flex: SPARQL Browser - Semantic Web Explorer v0.0.2
executes SPARQL queries, parses the results and display the graph with Flex Visual Graph Library - by Alistair Rutherford, 2008-02-03 (at 22:48)
Semantic Web in the news [DIG Breadcrumbs]
the Web of the future will have BOTH documents and data. The Semantic Web will not supersede the current Web. The benefit is that data may be re-used in ways unexpected by the original publisher. That is the value added - by timbl, 2008-03-27 (at 12:26)
RFC 5198: Unicode Format for Network Interchange
Characters MUST be encoded in UTF-8; line-endings MUST be CRLF; control chars SHOULD generally be avoided; SHOULD be normalized as NFC; BOM signature MUST NOT appear; MUST NOT transmit unassigned code point. (at 01:05)

umm, RDF/OWL expression of iriset in POWDER-GR seems overloading owl:Restriction, rather it should be OWL 1.1 DatatypeRestriction (original post at 16:29)

Semantic Web Patterns: A Guide to Semantic Technologies [ReadWriteWeb]
nalyze the trends and technologies that power the Semantic Web, and identify patterns that are beginning to emerge, classify the different trends, and peak into what the future holds - by Alex Iskold, 2008-03-25 (at 16:18)
The Semantic Web in Action
by Lee Feigenbaum, Ivan Herman, Tonya Hongsermeier, Eric Neumann and Susie Stephens - Scientific American, vol. 297, Dec. 2007, pp. 90-97. (at 16:07)

Lehigh University Benchmark (LUBM)
is developed to facilitate the evaluation of Semantic Web repositories in a standard and systematic way. The benchmark is intended to evaluate the performance of those repositories with respect to extensional queries over a large data set that commits to (at 01:27)

RFC 5141: A Uniform Resource Name (URN) Namespace for the International Organization for Standardization (ISO)
Examples: urn:iso:std:iso:9999:-1:ed-1:en -> refers to the 1st edition of ISO 9999-1, in English; urn:iso:std:iso-iec:9075:-3:draft:ed-4:en -> the draft 4th edition of ISO/IEC 9075-3, in English - by J. Goodwin and H. Apel, 2008-03 (at 03:02)

Modeling Statistics in RDF - A Survey and Discussion [TechnicaLee Speaking]
to examine the potential approaches to modeling this information in terms of ease of reuse, ease of query, ability to integrate with information from all 1,500 spreadsheets (and other sources) - by Lee Feigenbaum, 2008-03-08 (at 12:56)

W3C RDB2RDF Incubator Group
two missions: how to generate RDF triples from one or more Relational tables without loss of information; and mapping OWL classes to Relational data, or, more accurately, SQL queries (at 11:25)

testing a tab-hierarchized text to ontology RDF/XML converter (original post at 13:31)
reification itself is important, but just current RDF realization is not so good, of course (original post at 00:33)

thinks succeeded in setting up a SPARQL end point with ARC for fun :) (original post at 10:49)

Social Network portability [WebCamp 2008] (pdf)
Workshop Keynote Slides, talking from FOAF to SPARQL to Social Graph - by Dan Brickley, in Cork, 2008-03-01 (at 16:32)