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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (2)
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Semantic Web Adoption Ivan Herman, W3C First China Semantic Web - - PowerPoint PPT Presentation
Semantic Web Adoption Ivan Herman, W3C First China Semantic Web - - PowerPoint PPT Presentation
Semantic Web Adoption Ivan Herman, W3C First China Semantic Web Symposium (CSWS 2007), Beijing, China, 2007-11-19 (2) > Semantic Web adoption SW technologies go back to few years now we have a really stable set of specifications since
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (3)
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> A way of looking at it…
Semantic Technologies
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (4)
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> The 2007 Gartner predictions By 2017, we expect the vision of the Semantic Web […] to coalesce […] and the majority of Web pages are decorated with some form of semantic hypertext. By 2012, 80% of public Web sites will use some level of semantic hypertext to create SW documents […] 15% of public Web sites will use more extensive Semantic Web-based ontologies to create semantic databases
(note: “semantic hypertext” refers to, eg, RDFa, microformats with possible GRDDL, etc.)
Source: “Finding and Exploiting Value in Semantic Web Technologies on the Web”, Gartner Research Report, May 2007
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (5)
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> It often starts with small communities
The needs of a deployment application area:
− have serious problem or opportunity − have the intellectual interest to pick up new things − have motivation to fix the problem − its data connects to other application areas − have an influence as a showcase for others
The high energy physics community played this role for the Web in the 90’s
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (6)
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> Some SW deployment communities
Some examples: digital libraries, defense, eGovernment, energy sector, financial services, health care, oil and gas industry, life sciences … Health care and life science sector is now very active
− also at W3C, in the form of an Interest Group
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (7)
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> The “corporate” landscape is moving
Major companies offer (or will offer) Semantic Web tools or systems using Semantic Web: Adobe, BBN, Oracle, IBM, HP, Software AG, GE, Northrop Gruman, Altova, Vodafone, Dow Jones, … Others are using it (or consider using it) as part of their own
- perations: Novartis, Pfizer, Telefónica, Vodafone, Elsevier, …
Some of the names of active participants in W3C SW related groups: ILOG, HP, Agfa, SRI International, Fair Isaac Corp., Oracle, Boeing, IBM, Chevron, Nokia, Merck, Pfizer, T-Mobile, AstraZeneca, Sun, Eli Lilly, …
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (8)
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> SWEO enterprise survey
W3C’s SW Education and Outreach Interest Group (“SWEO”) conducted a survey in January 2007 Around 50 responses from 10 countries One of the main results: majority of responders considered missing skills to be the biggest obstacle
− universities have a major role to play…
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (9)
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> SWEO’s use case collection
SWEO is actively collecting SW use cases and case studies
− use case: prototype applications within the enterprise − case study: deployed applications, either in an enterprise,
community, governmental, etc sites
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (10)
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> SWEO’s use case collection
At present there are
− 16 case studies and 9 use cases (early November 2007) − from 11 different countries around the globe − submitters’ activity areas include: automotive, broadcasting,
financial institution, health care, oil & gas industry, pharmaceutical, public and governmental institutions, publishing, telecommunications, …
− usage areas include: data integration, portals with improved local
search, business organization, B2B integration, …
Remember this URI:
http://www.w3.org/2001/sw/sweo/public/UseCases/
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (11)
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> So how do applications look like?
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (12)
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> Applications are not always very complex…
Eg: simple semantic annotations of data provides easy integration (eg, with MusicBrainz, Wikipedia, geographic data sets, etc) What is needed: some simple vocabularies, simple annotation
− annotation an be generated by a server automatically, or − added by the user via some user interface
“Semantic hypertext”, to use Gartner’s terminology
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (13)
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> Applications are not always very complex…
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (14)
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> Major application paradigm: data integration
Very important for large application areas (life sciences, energy sector, eGovernment, financial institutions), as well as everyday applications (eg, reconciliation of calendar data) Is the most representative usage both in the SWEO survey as well as in the use cases and cases studies Developments are under way at various companies, institutions
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (15)
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> The “HCLS Demo”
The W3C Health Care and Life Sciences Interest Group (“HCLS”) has developed few demonstrations on SW usage Goal is to show:
− the HCLS community how Semantic Web can be used − the SW community how this technology can be useful in this
application are
Prevailing paradigm is data integration
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (16)
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> HCLS demo: looking for Alzheimer’s targets
Signal transduction pathways are considered to be rich in proteins that might respond to chemical therapy CA1 Pyramidal Neurons are known to be particularly damaged in Alzheimer’s disease Can we find candidate genes known to be involved in signal transduction and active in Pyramidal Neurons?
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (17)
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> To answer: integrate datasets
W3C HCLS IG has already integrated a number of public datasets and ontologies
− assign URI-s to bio entities − data converted or made reachable in RDF − use reasoners to infer extra triples to increase expressiveness − query the data with SPARQL and visualization tools − around 400M triples so far…
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (18)
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> Use SPARQL to integrate…
prefix go: <http://purl.org/obo/owl/GO#> prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> prefix owl: <http://www.w3.org/2002/07/owl#> prefix mesh: <http://purl.org/commons/record/mesh/> prefix sc: <http://purl.org/science/owl/sciencecommons/> prefix ro: <http://www.obofoundry.org/ro/ro.owl#> select ?genename ?processname where { graph <http://purl.org/commons/hcls/pubmesh> { ?paper ?p mesh:D017966 . ?article sc:identified_by_pmid ?paper. ?gene sc:describes_gene_or_gene_product_mentioned_by ?article. } graph <http://purl.org/commons/hcls/goa> { ?protein rdfs:subClassOf ?res. ?res owl:onProperty ro:has_function. ?res owl:someValuesFrom ?res2. ?res2 owl:onProperty ro:realized_as. ?res2 owl:someValuesFrom ?process. graph <http://purl.org/commons/hcls/20070416/classrelations> {{?process <http://purl.org/obo/owl/obo#part_of> go:GO_0007166} union {?process rdfs:subClassOf go:GO_0007166 }} ?protein rdfs:subClassOf ?parent. ?parent owl:equivalentClass ?res3. ?res3 owl:hasValue ?gene. } graph <http://purl.org/commons/hcls/gene> { ?gene rdfs:label ?genename } graph <http://purl.org/commons/hcls/20070416> { ?process rdfs:label ?processname} }
Mesh: Pyramidal Neurons Pubmed: Journal Articles Entrez Gene: Genes GO: Signal Transduction
Inference required
Courtesy of Susie Stephens, Eli Lilly, Alan Ruttenberg, Science Commons, and the W3C HCLS IG
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (19)
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> Yielding results to the query…
DRD1, 1812 adenylate cyclase activation ADRB2, 154 adenylate cyclase activation ADRB2, 154 arrestin mediated desensitization of G-protein coupled receptor protein signaling pathway DRD1IP, 50632 dopamine receptor signaling pathway DRD1, 1812 dopamine receptor, adenylate cyclase activating pathway DRD2, 1813 dopamine receptor, adenylate cyclase inhibiting pathway GRM7, 2917 G-protein coupled receptor protein signaling pathway GNG3, 2785 G-protein coupled receptor protein signaling pathway GNG12, 55970 G-protein coupled receptor protein signaling pathway DRD2, 1813 G-protein coupled receptor protein signaling pathway ADRB2, 154 G-protein coupled receptor protein signaling pathway CALM3, 808 G-protein coupled receptor protein signaling pathway HTR2A, 3356 G-protein coupled receptor protein signaling pathway DRD1, 1812 G-protein signaling, coupled to cyclic nucleotide second messenger SSTR5, 6755 G-protein signaling, coupled to cyclic nucleotide second messenger MTNR1A, 4543 G-protein signaling, coupled to cyclic nucleotide second messenger CNR2, 1269 G-protein signaling, coupled to cyclic nucleotide second messenger HTR6, 3362 G-protein signaling, coupled to cyclic nucleotide second messenger GRIK2, 2898 glutamate signaling pathway GRIN1, 2902 glutamate signaling pathway GRIN2A, 2903 glutamate signaling pathway GRIN2B, 2904 glutamate signaling pathway ADAM10, 102 integrin-mediated signaling pathway GRM7, 2917 negative regulation of adenylate cyclase activity LRP1, 4035 negative regulation of Wnt receptor signaling pathway ADAM10, 102 Notch receptor processing ASCL1, 429 Notch signaling pathway HTR2A, 3356 serotonin receptor signaling pathway ADRB2, 154 transmembrane receptor protein tyrosine kinase activation (dimerization) PTPRG, 5793 transmembrane receptor protein tyrosine kinase signaling pathway EPHA4, 2043 transmembrane receptor protein tyrosine kinase signaling pathway NRTN, 4902 transmembrane receptor protein tyrosine kinase signaling pathway CTNND1, 1500 Wnt receptor signaling pathway
Many of the genes are indeed related to Alzheimer s Disease through gamma secretase (presenilin) activity
Courtesy of Susie Stephens, Eli Lilly, Alan Ruttenberg, Science Commons, and the W3C HCLS IG
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (20)
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> The “core”…
The “core” of the HCLS demo was the access/integration of public datasets via the Semantic Web
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (21)
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> Linking Open Data Project
Goal: “expose” open datasets in RDF Set RDF links among the data items from different datasets Set up SPARQL endpoints to query the data, too Over 2 billion triples, 3 million “links” (November 2007)
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (22)
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> Example data source: DBpedia
DBpedia is a community effort to
− extract structured (“infobox”) information from Wikipedia − provide a SPARQL endpoint to the dataset − interlink the DBpedia dataset with other datasets on the Web
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (23)
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> Extracting structured data from Wikipedia
http://en.wikipedia.org/wiki/Calgary <http://dbpedia.org/resource/Calgary> dbpedia:native_name “Calgary” ; dbpedia:altitude “1048” ; dbpedia:population_city “988193” ; dbpedia:population_metro “1079310” ; dpbedia:mayor_name dbpedia:Dave_Bronconnier ; dpbedia:governing_body dbpedia:Calgary_City_Council ; ...
Courtesy of Chris Bizer, Free University of Berlin
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (24)
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> Automatic links among open datasets
<http://dbpedia.org/resource/Calgary>
- wl.sameAs <http://sws.geonames.org/5913490>;
... <http://sws.geonames.org/5913490>
- wl:sameAs <http://DBpedia.org/resource/Calgary>
wgs84_pos:lat “51.050112282”; wgs84_pos:long “-114.085285152”; sws:population “968460” ...
DBpedia Geonames Processors can switch automatically from one to the other…
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (25)
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> Linking Open Data Project (cont)
This is a major community project
− anybody can participate; to subscribe to the list:
http://simile.mit.edu/mailman/listinfo/linking-open-data
− or look at the project site:
http://esw.w3.org/topic/SweoIG/TaskForces/CommunityProjects
/LinkingOpenData
− if you know of open data sets: contact the project to incorporate it
with the rest!
Applications using this set of data in real-life setting should come to the fore soon
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (26)
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> Examples of real applications…
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (27)
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> Integrate knowledge for Chinese Medicine
Integration of a large number of relational databases (on traditional Chinese medicine) using a Semantic Layer
− around 80 databases, around 200,000 records each
A visual tool to map databases to the semantic layer using a specialized ontology Form based query interface for end users
Courtesy of Huajun Chen, Zhejiang University, (SWEO Case Study)
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (28)
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> Find the right experts at NASA
Expertise locater for nearly 20,000 NASA civil servants using RDF integration techniques over 6 or 7 geographically distributed databases, data sources, and web services…
Courtesy of Kendall Clark, Clark & Parsia, LLC
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> Public health surveillance (Sapphire)
Integrated biosurveillance system (biohazards, bioterrorism, disease control, etc): integrates data from multiple disparate sources and generated reports
Courtesy of Parsa Mirhaji, School of Health Information Sciences, University of Texas (SWEO Case Study)
Different views of the data New information can be added easily
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> Oracle’s Technology Network portal
Courtesy of Mike DiLascio, Siderean Software, and Justin Kestelyn, Oracle Corporation (SWEO Case Study)
Aggregates many source of content Re-group, categorize, etc content (using a taxonomy)
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (31)
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> Help for deep sea drilling operations
Integration of experience and data in the planning and
- peration of deep sea drilling
processes Discover relevant experiences that could affect current or planned drilling operations
Courtesy of David Norheim and Roar Fjellheim, Computas AS (SWEO Use Case)
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (32)
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> Additional paradigm: intelligent portals
“Portals” collecting data and presenting them to users
− they can be public or behind corporate firewalls
Portal’s internal organization makes use of semantic data and
- ntologies
− integration with external and internal data
- these applications often extend the data integration paradigm
− better queries, often based on controlled vocabularies or
- ntologies…
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> Semantic portal for art collections
Courtesy of Jacco van Ossenbruggen, CWI, and Guus Schreiber, VU Amsterdam
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> FAO Journal portal
Improved search on journal content based on an agricultural
- ntology and thesaurus (AGROVOC)
Courtesy of Gauri Salokhe, Margherita Sini, and Johannes Keizer, FAO, (SWEO Case Study)
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> Eli Lilly’s Target Assessment Tool
Better prioritization of possible drug target, integrating data from different sources and formats Integration, search, etc, via ontologies (proprietary and public)
Courtesy of Susie Stephens, Eli Lilly (SWEO Case Study)
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> Digital music asset portal at NRK
Used by program production to find the right music in the archive for a specific show
Courtesy of Robert Engels, ESIS, and Jon Roar Tønnesen, NRK (SWEO Case Study)
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> Improved Search via Ontology: GoPubMed
Improved search on top of pubmed.org
− search results are ranked using ontologies − related terms are highlighted, usable for further search
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> Vodafone live!
Integrate various vendors’ product descriptions via RDF
− ring tones, games, wallpapers − manage complexity of handsets, binary
formats
A portal is created to offer appropriate content Significant increase in content download after the introduction
Courtesy of Kevin Smith, Vodafone Group R&D (SWEO Case Study)
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (39)
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> Other examples…
Sun’s White Paper and System Handbook collections Nokia’s S60 support portal Harper’s Online Magazine Oracle’s virtual pressroom Dow Jones’ Synaptica
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (40)
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> All kind of other types of applications…
The coming few examples are more “knowledge management” type of applications Less typical usage the “Web” aspect of the Semantic Web…
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> Repair and Diagnostics Documentation
Store repair and diagnostic operations in a repository with an OWL model A “diagnostic engine” generates the manuals on the fly, using RDF for information exchange
Courtesy of François-Paul Servant, Renault, (SWEO Use Case)
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> Portal to Principality of Asturias’ documents
Search through governmental documents A “bridge” is created between the users and the juridical jargon using SW vocabularies and tools
Courtesy of Diego Berrueta and Luis Polo, CTIC, U. of Oviedo, and the Principality of Asturias, (SWEO Case Study)
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> Natural interface to business applications
Courtesy of C. Anantaram, Tata Consultancy Services Limited (SWEO Case Study)
Users interact with a business application (eg, via email) in natural language; OWL helps in the retrieval of relevant concepts
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> Other application areas come to the fore
Content management Knowledge management Business intelligence Collaborative user interfaces Sensor-based services Linking virtual communities Grid infrastructure Multimedia data management Etc
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Ivan Herman, “Semantic Web Adoption”, CSWS2007, 2007-11-19, Beijing, China (45)
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> Thank you for your attention!
These slides are publicly available on:
http://www.w3.org/2007/Talks/1119-Beijing-IH/
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> CEO guide for SW: the “DO-s”
Start small: Test the Semantic Web waters with a pilot project […] before investing large sums of time and money. Check credentials: A lot of systems integrators don't really have the skills to deal with Semantic Web technologies. Get someone who's savvy in semantics. Expect training challenges: It often takes people a while to understand the technology. […] Find an ally: It can be hard to articulate the potential benefits, so find someone with a problem that can be solved with the Semantic Web and make that person a partner.
Source: BusinessWeek Online, April 2007
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