@inproceedings{conf/semweb/DraganDGHD11, added-at = {2011-10-19T00:00:00.000+0200}, author = {Dragan, Laura and Delbru, Renaud and Groza, Tudor and Handschuh, Siegfried and Decker, Stefan}, biburl = {http://www.bibsonomy.org/bibtex/239d8bdcaf1a74685167fc6f529e299a6/dblp}, booktitle = {International Semantic Web Conference (2)}, crossref = {conf/semweb/2011-2}, editor = {Aroyo, Lora and Welty, Chris and Alani, Harith and Taylor, Jamie and Bernstein, Abraham and Kagal, Lalana and Noy, Natasha Fridman and Blomqvist, Eva}, ee = {http://dx.doi.org/10.1007/978-3-642-25093-4_3}, interhash = {8979d290fe686f3c61852052dc8bddcb}, intrahash = {39d8bdcaf1a74685167fc6f529e299a6}, isbn = {978-3-642-25092-7}, keywords = {dblp}, pages = {33-48}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Linking Semantic Desktop Data to the Web of Data.}, url = {http://dblp.uni-trier.de/db/conf/semweb/iswc2011-2.html#DraganDGHD11}, volume = 7032, year = 2011 } @inproceedings{conf/rr/DelbruTP11, added-at = {2011-08-25T00:00:00.000+0200}, author = {Delbru, Renaud and Tummarello, Giovanni and Polleres, Axel}, biburl = {http://www.bibsonomy.org/bibtex/2674cc9071ee5fdedc7153b542d3f7792/dblp}, booktitle = {RR}, crossref = {conf/rr/2011}, editor = {Rudolph, Sebastian and Gutierrez, Claudio}, ee = {http://dx.doi.org/10.1007/978-3-642-23580-1_5}, interhash = {b7039c3899ddc8d91d0adc7eedbf51ec}, intrahash = {674cc9071ee5fdedc7153b542d3f7792}, isbn = {978-3-642-23579-5}, keywords = {dblp}, pages = {46-60}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Context-Dependent OWL Reasoning in Sindice - Experiences and Lessons Learnt.}, url = {http://dblp.uni-trier.de/db/conf/rr/rr2011.html#DelbruTP11}, volume = 6902, year = 2011 } @incollection{books/sp/virgilio09/CatastaDTT09, added-at = {2011-07-06T00:00:00.000+0200}, author = {Catasta, Michele and Delbru, Renaud and Toupikov, Nickolai and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/2724ea5dab69aa2663e205f6026ce3ab9/dblp}, booktitle = {Semantic Web Information Management}, crossref = {books/sp/Virgilio2009}, editor = {Virgilio, Roberto De and Giunchiglia, Fausto and Tanca, Letizia}, ee = {http://dx.doi.org/10.1007/978-3-642-04329-1_6}, interhash = {63b339b2227b19409ad78d42b7f14d6e}, intrahash = {724ea5dab69aa2663e205f6026ce3ab9}, isbn = {978-3-642-04328-4}, keywords = {dblp}, pages = {93-123}, publisher = {Springer}, title = {Managing Terabytes of Web Semantics Data.}, url = {http://dblp.uni-trier.de/db/books/collections/Virgilio2009.html#CatastaDTT09}, year = 2009 } @inproceedings{conf/ecir/CampinasDT11, added-at = {2011-04-19T00:00:00.000+0200}, author = {Campinas, Stéphane and Delbru, Renaud and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/2faf76781d44a4df1c0530939647783ea/dblp}, booktitle = {ECIR}, crossref = {conf/ecir/2011}, editor = {Clough, Paul and Foley, Colum and Gurrin, Cathal and Jones, Gareth J. F. and Kraaij, Wessel and Lee, Hyowon and Murdock, Vanessa}, ee = {http://dx.doi.org/10.1007/978-3-642-20161-5_55}, interhash = {a596e38f667a8aead6f916c4c66e028f}, intrahash = {faf76781d44a4df1c0530939647783ea}, isbn = {978-3-642-20160-8}, keywords = {dblp}, pages = {555-561}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {SkipBlock: Self-indexing for Block-Based Inverted List.}, url = {http://dblp.uni-trier.de/db/conf/ecir/ecir2011.html#CampinasDT11}, volume = 6611, year = 2011 } @article{Oren08, added-at = {2011-02-02T10:47:21.000+0100}, author = {Oren, Eyal and Delbru, Renaud and Catasta, Michele and Cyganiak, Richard and Stenzhorn, Holger and Tummarello, Giovanni}, bibsource = {OAI-PMH server at www.inderscience.com}, biburl = {http://www.bibsonomy.org/bibtex/2ed8d38571db3811357edfce68bacf16d/hannesm}, interhash = {ecefb84104412695c250c45089102d94}, intrahash = {ed8d38571db3811357edfce68bacf16d}, issn = {1744-263X}, issue = {1}, journal = {Int. J. of Metadata and Semantics and Ontologies}, keywords = {imported}, language = {eng}, pages = {37--52}, publisher = {Inderscience Publishers}, relation = {ISSN online: 1744-263X ISSN print: 1744-2621}, rights = {Inderscience Copyright}, source = {IJMSO (2008), Vol 3 Issue 1, pp 37 - 52}, subject = {semantic web; data discovery; indexing; scalability; lookup index; open linked data; document location; information retrieval; resource retrieval; full-text searching; sitemap protocol; large datasets.}, title = {Sindice.com: a document-oriented lookup index for open linked data}, url = {http://www.inderscience.com/link.php?id=21204}, volume = 3, year = 2008 } @article{journals/ws/TummarelloCCDDD10, added-at = {2010-12-08T00:00:00.000+0100}, author = {Tummarello, Giovanni and Cyganiak, Richard and Catasta, Michele and Danielczyk, Szymon and Delbru, Renaud and Decker, Stefan}, biburl = {http://www.bibsonomy.org/bibtex/2899f1bcc59dc5a4b6d1ebe60dcbf2364/dblp}, ee = {http://dx.doi.org/10.1016/j.websem.2010.08.003}, interhash = {f319e26f5141ba07e5f9a5faa5228da5}, intrahash = {899f1bcc59dc5a4b6d1ebe60dcbf2364}, journal = {J. Web Sem.}, keywords = {dblp}, number = 4, pages = {355-364}, title = {Sig.ma: Live views on the Web of Data.}, url = {http://dblp.uni-trier.de/db/journals/ws/ws8.html#TummarelloCCDDD10}, volume = 8, year = 2010 } @article{Oren:2008:SDL, abstract = { Developers of Semantic Web applications face a challenge with respect to the decentralised publication model: how and where to find statements about encountered resources. The ``linked data'' approach mandates that resource URIs should be de-referenced to return resource metadata. But for data discovery linkage itself is not enough, and crawling and indexing of data is necessary. Existing Semantic Web search engines are focused on database-like functionality, compromising on index size, query performance and live updates. We present Sindice, a lookup index over resources crawled on the Semantic Web. Our index allows applications to automatically locate documents containing information about a given resource. In addition, we allow resource retrieval through uniquely identifying inverse-functional properties, offer a full-text search and index SPARQL endpoints. Finally we introduce an extension to the sitemap protocol which allows us to efficiently index large Semantic Web datasets with minimal impact on the data providers.}, added-at = {2010-10-07T11:08:50.000+0200}, author = {Oren, Eyal and Delbru, Renaud and Catasta, Michele and Cyganiak, Richard and Stenzhorn, Holger and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/2cc14ea46d65557560bdaf92ef460dc18/msn}, interhash = {ecefb84104412695c250c45089102d94}, intrahash = {cc14ea46d65557560bdaf92ef460dc18}, journal = {International Journal of Metadata, Semantics and Ontologies}, keywords = {research.ir.metadata research.sw}, number = 1, title = {Sindice.com: {A} Document-oriented Lookup Index for Open Linked Data}, url = {http://www.sindice.com/pdf/sindice-ijmso2008.pdf}, volume = 3, year = 2008 } @inproceedings{conf/www/TummarelloCCDDD10, added-at = {2010-07-21T16:03:32.000+0200}, author = {Tummarello, Giovanni and Cyganiak, Richard and Catasta, Michele and Danielczyk, Szymon and Delbru, Renaud and Decker, Stefan}, biburl = {http://www.bibsonomy.org/bibtex/23543932abcd5f455f88b117000968814/dblp}, booktitle = {WWW}, crossref = {conf/www/2010}, date = {2010-04-28}, editor = {Rappa, Michael and Jones, Paul and Freire, Juliana and Chakrabarti, Soumen}, ee = {http://doi.acm.org/10.1145/1772690.1772907}, interhash = {f319e26f5141ba07e5f9a5faa5228da5}, intrahash = {3543932abcd5f455f88b117000968814}, isbn = {978-1-60558-799-8}, keywords = {dblp}, pages = {1301-1304}, publisher = {ACM}, title = {Sig.ma: live views on the web of data.}, url = {http://dblp.uni-trier.de/db/conf/www/www2010.html#TummarelloCCDDD10}, year = 2010 } @inproceedings{conf/esws/DelbruTCTD10, added-at = {2010-07-21T15:58:30.000+0200}, author = {Delbru, Renaud and Toupikov, Nickolai and Catasta, Michele and Tummarello, Giovanni and Decker, Stefan}, biburl = {http://www.bibsonomy.org/bibtex/2430706633b4c1445ec0ffc9660af056d/dblp}, booktitle = {ESWC (2)}, crossref = {conf/esws/2010-2}, date = {2010-06-08}, editor = {Aroyo, Lora and Antoniou, Grigoris and Hyvönen, Eero and ten Teije, Annette and Stuckenschmidt, Heiner and Cabral, Liliana and Tudorache, Tania}, ee = {http://dx.doi.org/10.1007/978-3-642-13489-0_16}, interhash = {912dd62343d7e2dae55ae310d433341c}, intrahash = {430706633b4c1445ec0ffc9660af056d}, isbn = {978-3-642-13488-3}, keywords = {dblp}, pages = {225-239}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Hierarchical Link Analysis for Ranking Web Data.}, url = {http://dblp.uni-trier.de/db/conf/esws/eswc2010-2.html#DelbruTCTD10}, volume = 6089, year = 2010 } @inproceedings{conf/esws/DelbruTCT10, added-at = {2010-07-21T15:58:30.000+0200}, author = {Delbru, Renaud and Toupikov, Nickolai and Catasta, Michele and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/2c9b11cd561f78ddee1d78f18f7bf18c2/dblp}, booktitle = {ESWC (2)}, crossref = {conf/esws/2010-2}, date = {2010-06-08}, editor = {Aroyo, Lora and Antoniou, Grigoris and Hyvönen, Eero and ten Teije, Annette and Stuckenschmidt, Heiner and Cabral, Liliana and Tudorache, Tania}, ee = {http://dx.doi.org/10.1007/978-3-642-13489-0_17}, interhash = {f3d23d06ceb2a3dd5f7f7303f58a9a77}, intrahash = {c9b11cd561f78ddee1d78f18f7bf18c2}, isbn = {978-3-642-13488-3}, keywords = {dblp}, pages = {240-256}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {A Node Indexing Scheme for Web Entity Retrieval.}, url = {http://dblp.uni-trier.de/db/conf/esws/eswc2010-2.html#DelbruTCT10}, volume = 6089, year = 2010 } @inproceedings{conf/esws/CyganiakSDDT08, added-at = {2010-06-17T13:10:27.000+0200}, author = {Cyganiak, Richard and Stenzhorn, Holger and Delbru, Renaud and Decker, Stefan and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/20193e6e28a45f3981df410bf78bc56c0/munozjuan}, booktitle = {ESWC}, date = {2008-05-27}, description = {dblp}, editor = {Bechhofer, Sean and Hauswirth, Manfred and Hoffmann, Jörg and Koubarakis, Manolis}, ee = {http://dx.doi.org/10.1007/978-3-540-68234-9_50}, interhash = {ec8d21e853f458c0167eae6a82e457b3}, intrahash = {0193e6e28a45f3981df410bf78bc56c0}, isbn = {978-3-540-68233-2}, keywords = {semantic sitemaps}, pages = {690-704}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Semantic Sitemaps: Efficient and Flexible Access to Datasets on the Semantic Web.}, url = {http://dblp.uni-trier.de/db/conf/esws/eswc2008.html#CyganiakSDDT08}, volume = 5021, year = 2008 } @inproceedings{Tummarello/2007/Sindice.com:, abstract = {Developers of SemanticWeb applications face a challenge with respect to the decentralised publication model: where to find statements about encountered resources. The “linked data” approach, which mandates that resource URIs should be de-referenced and yield metadata about the resource, helps but is only a partial solution and not followed widely. We present a lookup index over resources crawled on the Semantic Web. Our index allows applications to automatically retrieve sources with information about a certain resource. In contrast to more feature-rich Semantic Web search engines, our index is purposely limited in scope and functionality to achieve highly scalability and maintainability.}, added-at = {2010-03-29T00:29:37.000+0200}, address = {Berlin, Heidelberg}, author = {Tummarello, Giovanni and Oren, Eyal and Delbru, Renaud}, biburl = {http://www.bibsonomy.org/bibtex/23f2c52f97b3c8e859bdc9a21a9af0edb/munozjuan}, booktitle = {Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea}, crossref = {http://data.semanticweb.org/conference/iswc-aswc/2007/proceedings}, editor = {Aberer, Karl and Choi, Key-Sun and Noy, Natasha and Allemang, Dean and Lee, Kyung-Il and Nixon, Lyndon J B and Golbeck, Jennifer and Mika, Peter and Maynard, Diana and Schreiber, Guus and Cudré-Mauroux, Philippe}, interhash = {523c2c44c01050e9dab92dae0eb8b1ff}, intrahash = {3f2c52f97b3c8e859bdc9a21a9af0edb}, keywords = {data linked semantic_web}, month = {November}, pages = {547--560}, publisher = {Springer Verlag}, series = {LNCS}, title = {Sindice.com: Weaving the Open Linked Data}, url = {http://iswc2007.semanticweb.org/papers/547.pdf}, volume = 4825, year = 2007 } @article{sindice, added-at = {2010-01-20T03:00:00.000+0100}, author = {Oren, Eyal and Delbru, Renaud and Catasta, Michele and Cyganiak, Richard and Stenzhorn, Holger and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/2ac7b23c03b5ea2b0da3643c0b3656cb6/alexjdl}, date = {2008-11-13}, description = {dblp}, ee = {http://dx.doi.org/10.1504/IJMSO.2008.021204}, interhash = {ecefb84104412695c250c45089102d94}, intrahash = {ac7b23c03b5ea2b0da3643c0b3656cb6}, journal = {IJMSO}, keywords = {LinkedData index search}, number = 1, pages = {37-52}, title = {Sindice.com: a document-oriented lookup index for open linked data.}, url = {http://dblp.uni-trier.de/db/journals/ijmso/ijmso3.html#OrenDCCST08}, volume = 3, year = 2008 } @article{journals/ijmso/OrenDCCST08, added-at = {2010-01-14T10:59:44.000+0100}, author = {Oren, Eyal and Delbru, Renaud and Catasta, Michele and Cyganiak, Richard and Stenzhorn, Holger and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/2ac7b23c03b5ea2b0da3643c0b3656cb6/mdaquin}, date = {2008-11-13}, description = {dblp}, ee = {http://dx.doi.org/10.1504/IJMSO.2008.021204}, interhash = {ecefb84104412695c250c45089102d94}, intrahash = {ac7b23c03b5ea2b0da3643c0b3656cb6}, journal = {IJMSO}, keywords = {semanticweb semanticwebsearchengine sindice}, number = 1, pages = {37-52}, title = {Sindice.com: a document-oriented lookup index for open linked data.}, url = {http://dblp.uni-trier.de/db/journals/ijmso/ijmso3.html#OrenDCCST08}, volume = 3, year = 2008 } @inproceedings{conf/semweb/CorlosquetDCPD09, added-at = {2009-11-11T00:00:00.000+0100}, author = {Corlosquet, Stephane and Delbru, Renaud and Clark, Tim and Polleres, Axel and Decker, Stefan}, biburl = {http://www.bibsonomy.org/bibtex/2a7e8461a7e8c79d612eb4fdf0895ab33/dblp}, booktitle = {International Semantic Web Conference}, crossref = {conf/semweb/2009}, date = {2009-11-11}, description = {dblp}, editor = {Bernstein, Abraham and Karger, David R. and Heath, Tom and Feigenbaum, Lee and Maynard, Diana and Motta, Enrico and Thirunarayan, Krishnaprasad}, ee = {http://dx.doi.org/10.1007/978-3-642-04930-9_48}, interhash = {9a43dde7a285627ee9c0791fbae94666}, intrahash = {a7e8461a7e8c79d612eb4fdf0895ab33}, isbn = {978-3-642-04929-3}, keywords = {dblp}, pages = {763-778}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Produce and Consume Linked Data with Drupal!}, url = {http://dblp.uni-trier.de/db/conf/semweb/iswc2009.html#CorlosquetDCPD09}, volume = 5823, year = 2009 } @inproceedings{corlosquet2009, abstract = {Currently a large number ofWeb sites are driven by Content Management Systems (CMS) which manage textual and multimedia content but also - inherently - carry valuable information about a site’s structure and content model. Exposing this structured information to the Web of Data has so far required considerable expertise in RDF and OWL modelling and additional programming effort. In this paper we tackle one of the most popular CMS: Drupal.We enable site administrators to export their site content model and data to theWeb of Data without requiring extensive knowledge on Semantic Web technologies. Our modules create RDFa annotations and – optionally – a SPARQL endpoint for any Drupal site out of the box. Likewise, we add the means to map the site data to existing ontologies on the Web with a search interface to find commonly used ontology terms. We also allow a Drupal site administrator to include existing RDF data from remote SPARQL endpoints on the Web in the site. When brought together, these features allow networked RDF Drupal sites that reuse and enrich Linked Data. We finally discuss the adoption of our modules and report on a use case in the biomedical field and the current status of its deployment.}, added-at = {2009-11-03T13:52:23.000+0100}, author = {Corlosquet, St\'{e}phane and Delbru, Renaud and Clark, Tim and Polleres, Axel and Decker, Stefan}, biburl = {http://www.bibsonomy.org/bibtex/23b428a134666aadb5042ee468c9986a3/ivan_herman}, booktitle = {The Semantic Web - ISWC 2009}, editor = {Bernstein, Abraham and Karger, David R. and Heath, Tom and Feigenbaum, Lee and Maynard, Diana and Motta, Enrico and Thirunarayan, Krishnaprasad}, interhash = {9a43dde7a285627ee9c0791fbae94666}, intrahash = {3b428a134666aadb5042ee468c9986a3}, isbn = {978-3-642-04929-3}, keywords = {drupal rdfa semanticweb swusage}, location = {Heidelberg}, pages = {763--778}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Produce and Consume Linked Data with Drupal!}, volume = 5823, year = 2009 } @article{journals/ijmso/OrenDCCST08, added-at = {2009-10-01T15:43:34.000+0200}, author = {Oren, Eyal and Delbru, Renaud and Catasta, Michele and Cyganiak, Richard and Stenzhorn, Holger and Tummarello, Giovanni}, biburl = {http://www.bibsonomy.org/bibtex/2ac7b23c03b5ea2b0da3643c0b3656cb6/arminhs}, date = {2008-11-13}, description = {dblp}, ee = {http://dx.doi.org/10.1504/IJMSO.2008.021204}, interhash = {ecefb84104412695c250c45089102d94}, intrahash = {ac7b23c03b5ea2b0da3643c0b3656cb6}, journal = {IJMSO}, keywords = {index lookup semantic}, number = 1, pages = {37-52}, title = {Sindice.com: a document-oriented lookup index for open linked data.}, url = {http://dblp.uni-trier.de/db/journals/ijmso/ijmso3.html#OrenDCCST08}, volume = 3, year = 2008 } @incollection{citeulike:4039816, abstract = {Developers of Semantic Web applications face a challenge with respect to the decentralised publication model: where to find statements about encountered resources. The “linked data” approach, which mandates that resource URIs should be de-referenced and yield metadata about the resource, helps but is only a partial solution. We present Sindice, a lookup index over resources crawled on the Semantic Web. Our index allows applications to automatically retrieve sources with information about a given resource. In addition we allow resource retrieval through inverse-functional properties, offer full-text search and index SPARQL endpoints.}, added-at = {2009-10-01T15:43:16.000+0200}, author = {Tummarello, Giovanni and Delbru, Renaud and Oren, Eyal}, biburl = {http://www.bibsonomy.org/bibtex/2238735e8cc919c58c459f5a63c97eace/arminhs}, citeulike-article-id = {4039816}, doi = {http://dx.doi.org/10.1007/978-3-540-76298-0\_40}, interhash = {f7be1be267952b4c035ad1184c5d4da6}, intrahash = {238735e8cc919c58c459f5a63c97eace}, journal = {The Semantic Web}, keywords = {Sindice}, pages = {552--565}, posted-at = {2009-02-12 18:11:52}, priority = {2}, title = {Sindice.com: Weaving the Open Linked Data}, url = {http://dx.doi.org/10.1007/978-3-540-76298-0\_40}, year = 2008 } @inproceedings{Oren2006Annotation, added-at = {2009-07-16T13:44:26.000+0200}, author = {Oren, Eyal and Delbru, Renaud and Möller, Knud and Völkel, Max and Handschuh, Siegfried}, biburl = {http://www.bibsonomy.org/bibtex/2f49deb1f0530aebb201a2f476db00277/casi}, booktitle = {Proceedings of the SemWiki2006 - From Wiki to Semantics Workshop, in conjunction with ESWC2006. Budva, Montenegro.}, interhash = {3ac1aaa3e867299bde2155b34bfa3f56}, intrahash = {f49deb1f0530aebb201a2f476db00277}, keywords = {phd thesis-annotation}, month = {June}, title = {Annotation and navigation in semantic wikis}, year = 2006 } @inproceedings{OrenEtAl2006:AnnotationInWiki, abstract = {Semantic Wikis allow users to semantically annotate their Wiki content. The particular annotations can differ in expressive power, simplicity, and meaning. We present an elaborate conceptual model for semantic annotations, introduce a unique and rich Wiki syntax for these annotations, and discuss how to best formally represent the augmented Wiki content. We improve existing navigation techniques to automatically construct faceted browsing for semistructured data. By utilising the Wiki annotations we provide greatly enhanced information retrieval. Further we report on our ongoing development of these techniques in our prototype SemperWiki.}, added-at = {2009-06-02T19:29:12.000+0200}, author = {Oren, Eyal and Delbru, Renaud and Moller, Knud and Volkel, Max and Handschuh, Siegfried}, biburl = {http://www.bibsonomy.org/bibtex/20a99f36c117e8324292b9504493e8881/rcreswick}, booktitle = {Proceedings of the First Workshop on Semantic Wikis}, citeulike-article-id = {1082427}, comment = {http://www.eswc2006.org/technologies/usb/proceedings-workshops/eswc2006-workshop-semantic-wikis.pdf (page 66 of above pdf) excerpt: "We improve existing navigation techniques to automatically construct faceted browsing for semistructured data" (from the abstract). Makes use of formal (RDF) annotations of each page, imposing quite a few restrictions on how you can annotate, and presenting somewhat of a barrier to creating annotations."}, description = {import from cite-u-like}, editor = {Volkel, Max}, interhash = {81b5885e573d9bfb06a6be9c91eefe7e}, intrahash = {0a99f36c117e8324292b9504493e8881}, keywords = {annotation semantics semwiki06 wiki}, month = May, posted-at = {2007-02-01 19:45:54}, priority = {0}, title = {Annotation and Navigation in Semantic Wikis}, year = 2006 }