BEGIN:VCALENDAR VERSION:2.0 PRODID:-//librdf/rss2ical Version 1.0//EN X-WR-CALNAME:Planet RDF X-WR-RELCALID:http---planetrdf.com-index.rdf X-WR-TIMEZONE:Europe/London CALSCALE:GREGORIAN METHOD:PUBLISH BEGIN:VTIMEZONE TZID:Europe/London BEGIN:DAYLIGHT DTSTART:20060326T020000 TZOFFSETTO:+0100 TZOFFSETFROM:+0000 TZNAME:BST END:DAYLIGHT BEGIN:STANDARD DTSTART:20061029T020000 TZOFFSETTO:+0000 TZOFFSETFROM:+0100 TZNAME:GMT END:STANDARD END:VTIMEZONE BEGIN:VEVENT UID:http---ebiquity.umbc.edu-blogger-2009-07-02-nosql-distributed-key-value -data-stores- SUMMARY:NOSQL: distributed key-value data stores ATTENDEE;CN="Ebiquity research group UMBC":invalid:nomail DTSTART:20090702T141710Z DTSTAMP:20090702T141710Z LAST-MODIFIED:20090702T141710Z DESCRIPTION:ComputerWorld has an article on the “nosql” movement and a recent nosql meetup held in San Francisco\, No to SQL? Anti-database moveme nt gains steam . Nosql systems are distributed\, non-relational data stores that typically use a simple key-value approach to indexing and retrieving data and use a simple procedural query API rather than a sophisticated decl arative query language. “The inaugural get-together of the burgeoning NoS QL community crammed 150 attendees into a meeting room at CBS Interactive. Like the Patriots\, who rebelled against Britain’s heavy taxes\, NoSQLers came to share how they had overthrown the tyranny of slow\, expensive rela tional databases ... URL;VALUE=URI:http://ebiquity.umbc.edu/blogger/2009/07/02/nosql-distributed -key-value-data-stores/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---apassant.net-blog-2009-07-02-technologies-du-web-s%C3%A9mantique -pour-lentreprise-20-th%C3%A8se-et-slides-en-ligne SUMMARY:"Technologies du Web Sémantique pour l'Entreprise 2.0":\nThèse et slides en ligne ATTENDEE;CN="Alexandre Passant":invalid:nomail DTSTART:20090701T235006Z DTSTAMP:20090701T235006Z LAST-MODIFIED:20090701T235006Z DESCRIPTION:De retour de vacances\, mon mémoire de thèse ( pdf \, licence CC BY-NC-ND ) et les transparents de la soutenance (qui s'est très bien passée \;-) sont enfin en ligne. Merci encore à tous ceux q ui sont venus / m'ont encouragé / questionnés et avec qui j'ai pu travail ler ces dernières années dans le cadre de cette thèse ... l'aventure ne fait que commencer ! URL;VALUE=URI:http://apassant.net/blog/2009/07/02/technologies-du-web-s%C3% A9mantique-pour-lentreprise-20-th%C3%A8se-et-slides-en-ligne CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.w3.org-QA-2009-07-data_in_the_city.html SUMMARY:Data in the City ATTENDEE;CN="W3C QA Blog Semantic Web News":invalid:nomail DTSTART:20090701T225100Z DTSTAMP:20090701T225100Z LAST-MODIFIED:20090701T225100Z DESCRIPTION:On Monday of this week I attended a hearing in New York City or ganized by the Technology and Government Committee of the New York City Cou ncil. On the agenda was a proposal (Int. No. 991) regarding the use of open standards for publishing New York city government data. I picked up a prin ted copy of the proposal and a summary when I walked into the hearing. To m y surprise the handout referred to W3C by name (the online proposal does no t) and included a reference to the recent publication of the eGovernment In terest Group Improving Access to Government through Better ... URL;VALUE=URI:http://www.w3.org/QA/2009/07/data_in_the_city.html CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---clarkparsia.com-weblog-2009-06-30-pelletdb-whitepaper- SUMMARY:PelletDb Whitepaper ATTENDEE;CN="Clark and Parsia":invalid:nomail DTSTART:20090630T202847Z DTSTAMP:20090630T202847Z LAST-MODIFIED:20090630T202847Z DESCRIPTION:At Semantic Technology 2009 we formally announced PelletDb\, ou r new product that integrates Pellet with Oracle’s Semantic Database syst em\, including the Oracle RDF query engine and OWL reasoner. We’re excite d about PelletDb since it makes Pellet available to Oracle users\, includin g its sound and correct OWL 2 reasoning\, unique reasoning services like SP ARQL -DL and explanations\, etc. But we’re also excited because it makes Oracle’s enterprise-class information management facilities available to Pellet users and apps. Today we’re releasing an extensive PelletDb whitep aper ( PDF ) that explains in detail what PelletDb is\, how it works\, who should use it\, etc. ... URL;VALUE=URI:http://clarkparsia.com/weblog/2009/06/30/pelletdb-whitepaper/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.w3.org-QA-2009-06-reflections_on_semtech_2009.html SUMMARY:Reflections on SemTech 2009 ATTENDEE;CN="W3C QA Blog Semantic Web News":invalid:nomail DTSTART:20090630T133800Z DTSTAMP:20090630T133800Z LAST-MODIFIED:20090630T133800Z DESCRIPTION:SemTech 2009\, along with W3C's significant participation in it \, is now behind us. Besides catching upon on emails\, I have spent the pas t week reflecting on the enthusiasm\, presentations\, and flurry of activit ies that constituted this year's event in San Jose\, 14 to 18 June. One str ong feeling I had while in San Jose\, was a sense of /deja vu/ in the Web w orld. Stepping back\, I realize that 2009 feels a lot like 1999 when I was consulting with Allaire (remember CFML and ColdFusion?) and attended their user group meetings teaming with enthusiastic Web developers with war stori es about ... URL;VALUE=URI:http://www.w3.org/QA/2009/06/reflections_on_semtech_2009.html CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---clarkparsia.com-weblog-2009-06-29-pellet-2-tutorial-available- SUMMARY:Pellet 2 Tutorial Available ATTENDEE;CN="Clark and Parsia":invalid:nomail DTSTART:20090629T193914Z DTSTAMP:20090629T193914Z LAST-MODIFIED:20090629T193914Z DESCRIPTION:Two weeks ago at Semantic Technology 2009 conference Evren and Mike presented a 4 hour tutorial about building OWL -based applications wi th Pellet 2. About 50 people attended\, which was a surprising turnout give n that it was at the rump end of the conference\, a notoriously difficult t ime slot. After some polishing based on feedback\, we’re making the tut orial materials\, including sample code\, slides\, and a bundled download o f Pellet\, available for use in learning (or teaching others) how to use Pellet\, both interactively and programmatically. Enjoy! URL;VALUE=URI:http://clarkparsia.com/weblog/2009/06/29/pellet-2-tutorial-av ailable/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.openlinksw.com-weblog-oerling-?id=1562 SUMMARY:Virtuoso loads 110,500 triples-per-second on LUBM\n8000 ATTENDEE;CN="Orri Erling":invalid:nomail DTSTART:20090629T161234Z DTSTAMP:20090629T161234Z LAST-MODIFIED:20090629T161234Z DESCRIPTION:LUBM load speed still seems to be a metric that is quoted in co mparisons of RDF stores. Consequently\, we too measured the load time of LU BM 8000\, 1\,068-million triples\, on the newest Virtuoso . The real time f or the load was 161m 3s. The rate was 110\,532 triples-per-second. The hard ware was one machine with 2 x Xeon 5410 (quad core\, 2.33 GHz) and 16G 6667 MHz RAM. The software was Virtuoso 6 Cluster\, configured into 8 partition s (processes) — one partition per CPU core. Each partition had its databa se striped over 6 disks total\; the 6 disks on the system ... URL;VALUE=URI:http://www.openlinksw.com/weblog/oerling/?id=1562 CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---apassant.net-blog-2009-06-29-phd-fellowship-position-social-soft ware-and-semantic-web-deri-nui-galway SUMMARY:PhD fellowship position in Social Software and Semantic Web\nat DER I, NUI Galway ATTENDEE;CN="Alexandre Passant":invalid:nomail DTSTART:20090629T152456Z DTSTAMP:20090629T152456Z LAST-MODIFIED:20090629T152456Z DESCRIPTION:The Unit Social Software (USS) in DERI is currently looking for Ph.D. candidates. Applications must be sent by the end of the week at hr.i e@deri.org and positions will start in September. More details in the add b elow: The Unit Social Software (USS) at the Digital Enterprise Research Ins titute - DERI: http://www.deri.ie/ - of the National University of Ireland\, Galway invites applications for a 4 years fully-funded PhD fellowship position. DERI is a leading research institute in semantic technologies that offers a stimulating\, dynamic and multi-cultural research environment\, excellent ties to research-groups worldwide and standardization bodies\, close collaboration with industrial partners ... URL;VALUE=URI:http://apassant.net/blog/2009/06/29/phd-fellowship-position-s ocial-software-and-semantic-web-deri-nui-galway CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---planb.nicecupoftea.org-2009-06-28-displaying-guardian-book-revie ws-for-quick-buying-on-amazon-ntsp SUMMARY:Displaying Guardian book reviews for quick buying on\nAmazon ATTENDEE;CN="Libby Miller":invalid:nomail DTSTART:20090628T222254Z DTSTAMP:20090628T222254Z LAST-MODIFIED:20090628T222254Z DESCRIPTION:I read the URL;VALUE=URI:http://planb.nicecupoftea.org/2009/06/28/displaying-guardian- book-reviews-for-quick-buying-on-amazon/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---ebiquity.umbc.edu-blogger-2009-06-27-cfp-jws-special-issue-on-se mantic-web-and-social-media-n-ntsp SUMMARY:CFP: JWS special issue on Semantic Web and Social\nMedia ATTENDEE;CN="Ebiquity research group UMBC":invalid:nomail DTSTART:20090627T141650Z DTSTAMP:20090627T141650Z LAST-MODIFIED:20090627T141650Z DESCRIPTION:important dates abstracts 21 Sept 09 submissions 01 Oct 09 noti fication 15 Dec 09 final copy 15 Jan 10 publication April 10 The Journal of Web Semantics will publish a special issue on Data Mining and Social Netwo rk Analysis for integrating Semantic Web and Web 2.0 in the spring of 2010. The special issue will be edited by Bettina Berendt \, Andreas Hotho and G erd Stumme and initial abstracts for papers must be submitted via the Elsev ier EES system by September 21\, 2009. The special issue\, invites contribu tions that show how synergies between Semantic Web and Web 2.0 techniques c an ... URL;VALUE=URI:http://ebiquity.umbc.edu/blogger/2009/06/27/cfp-jws-special-i ssue-on-semantic-web-and-social-media/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.openlinksw.com-blog-kidehen@openlinksw.com-blog-?id=1561 SUMMARY:Linked Data Rules Simplified ATTENDEE;CN="Kingsley Idehen":invalid:nomail DTSTART:20090626T144903Z DTSTAMP:20090626T144903Z LAST-MODIFIED:20090626T144903Z DESCRIPTION:As a compliment to the most recent Linked Data Design Issues no te by TimBL \, I would like to add this subtle tweak to the enumerated rule s: Identify or Name things using HTTP URIs Describe things using the RDF me tadata model Increase link data mesh density on the Web by linking (referri ng) to things in other data spaces using their HTTP URIs. If you perform th e steps above\, on any HTTP network (e.g. World Wide Web )\, you implicitly bind the Names/Identifiers of things to negotiable representations of thei r metadata (description) bearing documents. Also note\, you can create and deploy ... URL;VALUE=URI:http://www.openlinksw.com/blog/kidehen@openlinksw.com/blog/?i d=1561 CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---blog.semantic-web.at-2009-06-25-some-semantic-apps-for-the-iphon e- SUMMARY:Some Semantic Apps for the iPhone ATTENDEE;CN="Semantic Web Company (Austria)":invalid:nomail DTSTART:20090625T093155Z DTSTAMP:20090625T093155Z LAST-MODIFIED:20090625T093155Z DESCRIPTION:Some new releases around Apple´s iPhone family\, like the new OS3.0 or the new 3G S have stimulated another big hype around this “littl e darling”. I took a look at another facet\, namely: Has the Semantic Web entered the iPhone realm yet (or vice versa)? Experts have been talking ab out the need for semantically enhanced mobile applications for years\, so l et´s see\, if they are in place already. Searching for “semantic web” in the AppStore delivers six results\, one of them called “ SemanticWb is obviously an interesting match. The application “extracts current li fe sciences and health care knowledge ... URL;VALUE=URI:http://blog.semantic-web.at/2009/06/25/some-semantic-apps-for -the-iphone/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.w3.org-blog-SW-2009-06-24-sparql_language_specification_tran slatedligX SUMMARY:SPARQL Language Specification Translated to Russian ATTENDEE;CN="W3C Semantic Web News":invalid:nomail DTSTART:20090624T082311Z DTSTAMP:20090624T082311Z LAST-MODIFIED:20090624T082311Z DESCRIPTION:Сергей Щербак (Sergey Shcherbak) has published a R ussian translation of the SPARQL Query Language \, under the title “Я ык запросов SPARQL для RDF”. URL;VALUE=URI:http://www.w3.org/blog/SW/2009/06/24/sparql_language_specific ation_translated CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---norman.walsh.name-2009-06-23-notXProcRussian SUMMARY:Not exactly XProc ATTENDEE;CN="Norm Walsh":invalid:nomail DTSTART:20090623T222755Z DTSTAMP:20090623T222755Z LAST-MODIFIED:20090623T222755Z DESCRIPTION:One advantage of being an implementor is that I can play with l anguages that the Working Group didn't approve. URL;VALUE=URI:http://norman.walsh.name/2009/06/23/notXProc CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.w3.org-blog-SW-2009-06-23-xsparql_published_as_a_w3c_submiss ion SUMMARY:XSPARQL published as a W3C Submission ATTENDEE;CN="W3C Semantic Web News":invalid:nomail DTSTART:20090623T163847Z DTSTAMP:20090623T163847Z LAST-MODIFIED:20090623T163847Z DESCRIPTION:The “XSPARQL” specification has been published as a W3C m ember submission\, co-authored by experts of Asemantics S.R.L.\, DERI Galwa y\, Fundación CTIC\, INRIA\, Ontotext\, OpenLink Software Inc.\, Profium\, Talis Information Ltd.\, and the University of Innsbruck. This specificati on defines a merge of SPARQL and XQuery \, and has the potential to brin g XML and RDF closer together. XSPARQL provides concise and intuitive solut ions for mapping between XML and RDF in either direction\, addressing both the use cases of GRDDL and SAWSDL . URL;VALUE=URI:http://www.w3.org/blog/SW/2009/06/23/xsparql_published_as_a_w 3c_submission CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.thefigtrees.net-lee-blog-2009-06-sparqling_at_semtech.htmlss iP SUMMARY:SPARQLing at SemTech ATTENDEE;CN="Lee Feigenbaum":invalid:nomail DTSTART:20090622T043933Z DTSTAMP:20090622T043933Z LAST-MODIFIED:20090622T043933Z DESCRIPTION:SemTech 2009 has come and gone\, and it was great. I was concer ned—as were others—that the state of the economy would depress the turn out and enthusiasm for the show\, but it seems that any such effects were a t least counterbalanced by a growing interest in semantic technologies. Ear ly reports are that attendance was up about 20% from last year\, and at ses sions\, coffee breaks\, and the exhibit hall there seemed to always be more people than I expected. Good stuff. Eric P. and I gave our SPARQL By Examp le tutorial to a crowd of about 50 people on Monday. From ... URL;VALUE=URI:http://www.thefigtrees.net/lee/blog/2009/06/sparqling_at_semt ech.html CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---realtech.burningbird.net-web-web-technology-major-site-redesigns iP SUMMARY:Bb's Semantic Feed: RDF: A Major Site Redesign ATTENDEE;CN="Shelley Powers":invalid:nomail DTSTART:20090621T195107Z DTSTAMP:20090621T195107Z LAST-MODIFIED:20090621T195107Z DESCRIPTION:I've finished the re-organization of my web site\, though I hav e odds and ends to finish up. I still have two major changes featuring SVG and RDFa that I need to incorporate\, but the structure and web site design s are finished. Thanks to Drupal's non-aggressive use of .htaccess\, I've b een able to create a top-level Drupal installation to act as \"feeder\" to all of the sub-sites. I tried this once before with Wordpress\, but the .ht access entries necessary for that CMS made it impossible to have the sub-si tes\, much less static pages in sub-directories. Rather than use Planet or Venus ... URL;VALUE=URI:http://realtech.burningbird.net/web/web-technology/major-site -redesign CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.w3.org-blog-SW-2009-06-21-two_polish_translations_of_owl_doc umentsligX SUMMARY:Two Polish Translations of OWL Documents ATTENDEE;CN="W3C Semantic Web News":invalid:nomail DTSTART:20090621T163613Z DTSTAMP:20090621T163613Z LAST-MODIFIED:20090621T163613Z DESCRIPTION:Sylwia Tesarska has published a Polish translation of the OWL Guide \, under the title “ OWL Język Ontologii Sieciowej Przewodnik ”. Also\, Dorota Szwarc has published a Polish translation of the O WL Web Ontology Language Reference \, under the title “ OWL Język Ontolo gii Sieciowej Referencja ”. URL;VALUE=URI:http://www.w3.org/blog/SW/2009/06/21/two_polish_translations_ of_owl_documents CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---www.w3.org-blog-SW-2009-06-21-rdfa_primer_translated_to_simplifi ed_chiay SUMMARY:RDFa Primer Translated to (Simplified) Chinese ATTENDEE;CN="W3C Semantic Web News":invalid:nomail DTSTART:20090621T163045Z DTSTAMP:20090621T163045Z LAST-MODIFIED:20090621T163045Z DESCRIPTION:程龚 (Gong Chen) has published a Simplified Chinese transl ation of the RDFa primer \, under the title “ RDFa入门 ”. URL;VALUE=URI:http://www.w3.org/blog/SW/2009/06/21/rdfa_primer_translated_t o_simplified_chi CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---ivan-herman.name-2009-06-20-semtech2009-impressions-addendum-doc umentsligX SUMMARY:SemTech2009 impressions (addendum) ATTENDEE;CN="Ivan Herman":invalid:nomail DTSTART:20090620T140900Z DTSTAMP:20090620T140900Z LAST-MODIFIED:20090620T140900Z DESCRIPTION:I wrote a URL;VALUE=URI:http://ivan-herman.name/2009/06/20/semtech2009-impressions-ad dendum/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---ivan-herman.name-2009-06-19-semtech2009-impression- SUMMARY:SemTech2009 impressions ATTENDEE;CN="Ivan Herman":invalid:nomail DTSTART:20090619T215300Z DTSTAMP:20090619T215300Z LAST-MODIFIED:20090619T215300Z DESCRIPTION:The first and possibly most important aspect of URL;VALUE=URI:http://ivan-herman.name/2009/06/19/semtech2009-impression/ CLASS:PUBLIC END:VEVENT BEGIN:VEVENT UID:http---tw.rpi.edu-weblog-2009-06-19-i-will-pay-delicious-100-for-hierar chical-tagging-` SUMMARY:I will pay delicious $100 for hierarchical tagging ATTENDEE;CN="Tetherless World Constellation group RPI":invalid:nomail DTSTART:20090619T202639Z DTSTAMP:20090619T202639Z LAST-MODIFIED:20090619T202639Z DESCRIPTION:Just saw Jim’s post on What is the Semantic Web really all ab out? I have been wondering about this problem too. What is Semantic Web ? Y esterday I have asked a question “Why few (or none?) Web 2.0 sites provid e hierarchical tagging?” on LinkedIn and get some pretty good answers: ht tp://www.linkedin.com/answers?viewQuestion=&uestionID=496785&skerID=1421271 9 For your convenience\, I attached my LinkedIn post at the end of this blo g. There are two things in the answers that draw my attention: * Many do _n ot_ believe tags\, or even hierarchical tags\, are semantic\; “semantics means RDF or triples at least to them\; * Some believe ... URL;VALUE=URI:http://tw.rpi.edu/weblog/2009/06/19/i-will-pay-delicious-100- for-hierarchical-tagging/ CLASS:PUBLIC END:VEVENT END:VCALENDAR