ppy/EarthScienceOntolog-s05_chat-transcript_unedited_20121212a.txt --------- Chat transcript from room: ontolog_20121212 2012-12-12 GMT-08:00 [time-stamps in PST] --------- [08:50] Welcome to the = EarthScienceOntolog: Panel Session-5 - Thu 2012-12-12 = Mini-Series Theme: An Earth Science Ontology Dialog ("EarthScienceOntolog") Session-5 Program: (A) Moving Forward with Semantics for Earth Science Data Co-chaired by: Dr. NancyWiegand (U of Wisconsin, Madison), and Mr. MikeDean (Raytheon BBN) (B) Mini-series wrap-up: "Looking Back at the Earth Science - Ontolog mini-series: What Did We Accomplish and Where are We Now?" by Professor KrishnaSinha (Virginia Tech) and Dr. LeoObrst (MITRE) Panelists / Briefings (segment-A): Professor KrishnaSinha (Virginia Tech) - "Building Blocks for EarthCube" Dr. NancyWiegand (U of Wisconsin, Madison) - "Semantics in EarthCube" Dr. LeoObrst (MITRE) - "Semantic Technology: A Tutorial" Mr. DaveKolas (Raytheon BBN) - "Getting Started with GeoSPARQL" Logistics: * Refer to details on session page at: http://ontolog.cim3.net/cgi-bin/wiki.pl?ConferenceCall_2012_12_12 * (if you haven't already done so) please click on "settings" (top center) and morph from "anonymous" to your RealName * Mute control: *7 to un-mute ... *6 to mute * Can't find Skype Dial pad? ** for Windows Skype users: it's under the "Call" dropdown menu as "Show Dial pad" ** for Linux Skype users: please note that the dial-pad is only available on v4.1 (or later or the earlier Skype versions 2.x,) if the dialpad button is not shown in the call window you need to press the "d" hotkey to enable it. . == Proceedings: == . [08:01] anonymous morphed into NancyWiegand [08:06] anonymous morphed into NancyWiegand [08:19] anonymous morphed into NancyWiegand [08:54] anonymous morphed into krishna [08:55] krishna morphed into krishna Sinha [08:55] anonymous1 morphed into CharlesVardeman [08:55] anonymous morphed into DamianGessler [08:58] anonymous morphed into David M. Butler [09:01] alex.shkotin: Hi all:-) [09:01] anonymous morphed into Dave Kolas [09:01] anonymous1 morphed into TomTinsley [09:03] anonymous morphed into Arthur Small [09:05] anonymous1 morphed into Mara Abel [09:05] anonymous2 morphed into DouglasFils [09:06] anonymous morphed into RobertRovetto [09:09] Anne Thessen: I can see the slides, Krishna. All is good. [09:09] PeterYim: == NancyWiegand started the session with an introduction of the session [09:09] List of attendees: Anne Thessen, Arthur Small, CharlesVardeman, DamianGessler, Dave Kolas, David M. Butler, DeborahLNichols, DouglasFils, Fran Lightsom, Gary Berg-Cross, LeoObrst, Mara Abel, MikeDean, NancyWiegand, PeterYim, RobertRovetto, TomTinsley, alex.shkotin, anonymous, anonymous1, anonymous2, krishna, krishna Sinha, vnc2 [09:09] PeterYim: == KrishnaSinha presenting his talk on "Building Blocks for EarthCube" [09:16] alex.shkotin morphed into Alex Shkotin [09:17] anonymous morphed into ElizabethFlorescu [09:22] PeterYim: we're on slide#14 now [09:24] PeterYim: == NancyWiegand presenting: "Semantics in EarthCube" [09:30] PeterYim: == LeoObrst (MITRE) giving his "Semantic Technology: A Tutorial" [09:30] anonymous morphed into ScottHills [10:07] PeterYim: == DaveKolas doing the tutorial: "Getting Started with GeoSPARQL" [10:32] LeoObrst: @Dave: I see on slide 13 that at least some of the Region Connection Calculus (RCC) axioms are supported. Are these actually expressed in detail usable by a reasoner? [10:33] Dave Kolas: Leo: They are not usable by a OWL-SWRL style reasoner (qualitatively) at the moment. [10:33] Dave Kolas: Current implementations reason about these quantitatively with the geometries [10:33] Dave Kolas: The specification supports qualitative reasoning, but you would need to supply your own axioms for reasoning [10:36] krishna Sinha: Krishna Sinha: Dave Kolas: How do you see the geospatial ontology linking to time ontology? I am asking this because many geologic features have changed locations through time. [10:36] Arthur Small: @LeoObrst: Every database schema has an implicit ontology. Are there any tools that can scan an existing database and extract the implicit ontology and suggest an OWL ontology? [10:38] Dave Kolas: Krishna: You can use GeoSPARQL together with OWL-Time (or some other temporal ontology) if you need it. Parliament has temporal indexing for OWL-Time as well. [10:38] Arthur Small: @DaveKolas: How, if at all, can GeoSPARQL be used to handle spatio-temporal objects, such as a flight trajectory, or a moving storm front? [10:41] Dave Kolas: @Arhtur Small: There currently is not a good way in GeoSPARQL a way to describe trajectories, though that might make a good reusable extension. While you could describe the points along a path that something takes and attach temporal information to these points, this would get very verbose quickly. [10:42] Arthur Small: Mic trouble. [10:42] Arthur Small: Could you just ask the Q? [10:42] ScottHills: Is there a standard web service interface for "publishing" an ontology, for consumption by applications? A simple example might involve consumption of distributed SKOS ontologies by a semantic search app. [10:42] LeoObrst: @Arthur: I'll respond a bit to your question shortly. [10:44] Dave Kolas: @Arthur: what I described might work ok if you were trying to track the locations that a car stopped at along a trip, but would be bad if you needed very specific detail about continuous motion [10:44] Arthur Small: @ScottHills: Maybe http://www.ontologymatching.org/? [10:45] PeterYim: @ScottHills - you might also want to check out the Open Ontology Repository (OOR) initiative - see: http://oor.net for various implementations [10:45] DouglasFils: @ScottHills you might want to reference http://www.w3.org/TR/swbp-vocab-pub/ too [10:48] Arthur Small: Or perhaps for registering the meta-data to an existing, professionally-created ontology? [10:51] PeterYim: == KrishnaSinha & LeoObrst doing the EarthScienceOntolog Mini-series wrap-up [10:52] LeoObrst: @Arthur: I commented on some tools such as TopBraid which can ingest XML Schemas and assist in generating ontologies, but imperfectly and requires munging afterwards. Mike mentioned some relational db -> semantic web standards that have emerged. [10:54] MikeDean: @Arthur Small: upcoming Recommendations (R2RML and the Direct Mapping) from the W3C RDB2RDF working group provide standard means of exposing relational data as RDF. See http://www.w3.org/2001/sw/rdb2rdf/ [10:56] Alex Shkotin: Great mini-series! Thank you:-) [10:56] PeterYim: on slide#11 now [10:58] MikeDean: @Arthur Small: These standardize what tools like D2RQ http://d2rq.org have provided for a long time. Much of the data in the Linked Data Cloud actually lives in relational databases. [10:59] Arthur Small: @MikeDean: Thanks! [10:59] Arthur Small: @LeoObrst: Thank you! [11:00] LeoObrst: Thanks all! [11:01] PeterYim: join us in the upcoming OntologySummit2013 activities - see: http://ontolog.cim3.net/cgi-bin/wiki.pl?OntologySummit [11:03] PeterYim: a pre-launch community brainstorm session for the Summit is coming up tomorrow - see: http://ontolog.cim3.net/cgi-bin/wiki.pl?ConferenceCall_2012_12_13 ... please come (especially if you want to influence the outcome)! ... Also, mark your calendars for the OntologySummit2013 Launch Event - Thursday 17-Jan-2013 2-Hr session starting 9:30am PST / 12:30pm EST / 6:30pm CET / 17:30 GMT/UTC [11:03] PeterYim: great mini-series, thank you all for the contribution! [11:04] PeterYim: -- session ended: 11:00am PST -- [11:04] List of attendees: Alex Shkotin, Anne Thessen, Arthur Small, CharlesVardeman, DaliaVaranka, DamianGessler, Dave Kolas, David M. Butler, DeborahLNichols, DouglasFils, ElizabethFlorescu, Fran Lightsom, Fran Lightsom1, Gary Berg-Cross, LeoObrst, Mara Abel, MikeDean, NancyWiegand, PeterYim, RobertRovetto, ScottHills, TomTinsley, alex.shkotin, anonymous, anonymous1, anonymous2, krishna, krishna Sinha, vnc2 ------