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Lecture Notes in Computer Science 6644Commenced Publication in 1973Founding and Former Series Editors:Gerhard Goos, Juris Hartmanis, and Jan van Leeuwen
Editorial Board
David HutchisonLancaster University, UK
Takeo KanadeCarnegie Mellon University, Pittsburgh, PA, USA
Josef KittlerUniversity of Surrey, Guildford, UK
Jon M. KleinbergCornell University, Ithaca, NY, USA
Alfred KobsaUniversity of California, Irvine, CA, USA
Friedemann MatternETH Zurich, Switzerland
John C. MitchellStanford University, CA, USA
Moni NaorWeizmann Institute of Science, Rehovot, Israel
Oscar NierstraszUniversity of Bern, Switzerland
C. Pandu RanganIndian Institute of Technology, Madras, India
Bernhard SteffenTU Dortmund University, Germany
Madhu SudanMicrosoft Research, Cambridge, MA, USA
Demetri TerzopoulosUniversity of California, Los Angeles, CA, USA
Doug TygarUniversity of California, Berkeley, CA, USA
Gerhard WeikumMax Planck Institute for Informatics, Saarbruecken, Germany
Grigoris Antoniou Marko GrobelnikElena Simperl Bijan ParsiaDimitris Plexousakis Pieter De LeenheerJeff Pan (Eds.)
The Semanic Web:Researchand Applications
8th Extended Semantic Web Conference, ESWC 2011Heraklion, Crete, Greece, May 29 – June 2, 2011Proceedings, Part II
13
Volume Editors
Grigoris AntoniouFORTH-ICS and University of Crete, 71110 Heraklion, Crete, GreeceE-mail: [email protected]
Marko GrobelnikJožef Stefan Institute, Jamova 39, 1000 Ljubljana, SloveniaE-mail: [email protected]
Elena SimperlKarlsruhe Institute of Technology, 76128 Karlsruhe, GermanyE-mail: [email protected]
Bijan ParsiaUniversity of Manchester, Manchester M13 9PL, UKE-mail: [email protected]
Dimitris PlexousakisFORTH-ICS and University of Crete, 70013 Heraklion, Crete, GreeceE-mail: [email protected]
Pieter De LeenheerVU University of Amsterdam, 1012 ZA Amsterdam, The NetherlandsE-mail: [email protected]
Jeff PanUniversity of Aberdeen, Aberdeen AB24 3UE, UKE-mail: [email protected]
ISSN 0302-9743 e-ISSN 1611-3349ISBN 978-3-642-21063-1 e-ISBN 978-3-642-21064-8DOI 10.1007/978-3-642-21064-8
Springer Heidelberg Dordrecht London New York
Library of Congress Control Number: 2011926990
CR Subject Classification (1998): H.4, H.3.3, H.5, J.4, I.2.4, K.4.2
LNCS Sublibrary: SL 3 – Information Systems and Application, incl. Internet/Web and HCI
© Springer-Verlag Berlin Heidelberg 2011
This work is subject to copyright. All rights are reserved, whether the whole or part of the material isconcerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting,reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publicationor parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965,in its current version, and permission for use must always be obtained from Springer. Violations are liableto prosecution under the German Copyright Law.The use of general descriptive names, registered names, trademarks, etc. in this publication does not imply,even in the absence of a specific statement, that such names are exempt from the relevant protective lawsand regulations and therefore free for general use.
Typesetting: Camera-ready by author, data conversion by Scientific Publishing Services, Chennai, India
Printed on acid-free paper
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Preface
Every year ESWC brings together researchers and practitioners dealing withdifferent aspects of semantic technologies. Following a successful re-launch in2010 as a multi-track conference, the 8th Extended Semantic Web Conferencebuilt on the success of the ESWC conference series initiated in 2004. Through itsextended concept this series seeks to reach out to other communities and researchareas, in which Web semantics play an important role, within and outside ICT,and in a truly international, not just ‘European’ context. This volume containsthe papers accepted for publication in key tracks of ESWC 2011: the technicaltracks including research tracks, an in-use track and two special tracks, as wellas the PhD symposium and the demo track.
Semantic technologies provide machine-understandable representations ofdata, processes and resources — hardware, software and network infrastruc-ture — as a foundation for the provisioning of a fundamentally new level offunctionality of IT systems across application scenarios and industry sectors.Using automated reasoning services over ontologies and metadata, semanticallyenabled systems will be able to better interpret and process the informationneeds of their users, and to interact with other systems in an interoperable way.Research on semantic technologies can benefit from ideas and cross-fertilizationwith many other areas, including artificial intelligence, natural language pro-cessing, database and information systems, information retrieval, multimedia,distributed systems, social networks, Web engineering, and Web science. Thesecomplementarities are reflected in the outline of the technical program of ESWC2011; in addition to the research and in-use tracks, we furthermore introducedtwo special tracks this year, putting particular emphasis on inter-disciplinaryresearch topics and areas that show the potential of exciting synergies for thefuture. In 2011, these special tracks focused on data-driven, inductive and prob-abilistic approaches to managing content, and on digital libraries, respectively.
The technical program of the conference received 247 submissions, which werereviewed by the Program Committee of the corresponding tracks. Each track wascoordinated by Track Chairs and installed a dedicated Program Committee. Thereview process included paper bidding, assessment by at least three ProgramCommittee members, and meta-reviewing for each of the submissions that weresubject to acceptance in the conference program and proceedings. In all, 57papers were selected as a result of this process, following comparable evaluationcriteria devised for all technical tracks.
The PhD symposium received 25 submissions, which were reviewed by thePhD Symposium Program Committee. Seven papers were selected for presenta-tion at a separate track and for inclusion in the ESWC 2011 proceedings. Thedemo track received 19 submissions, 14 of which were accepted for demonstration
VI Preface
in a dedicated session during the conference. Ten of the demo papers were alsoselected for inclusion in the conference proceedings.
ESWC 2011 had the pleasure and honor to welcome seven renowned keynotespeakers from academia and industry, addressing a variety of exciting topics ofhighest relevance for the research agenda of the semantic technologies communityand its impact on ICT:
– James Hendler, Tetherless World Professor of Computer and Cognitive Sci-ence and Assistant Dean for Information Technology and Web Science atRensselaer Polytechnic Institute
– Abe Hsuan, founding partner of the law firm Irwin & Hsuan LLP– Prasad Kantamneni, principal architect of the Eye-Tracking platform at
Yahoo!– Andraz Tori, CTO and co-founder of Zemanta– Lars Backstrom, data scientist at Facebook– Jure Leskovec, assistant professor of Computer Science at Stanford University– Chris Welty, Research Scientist at the IBM T.J. Watson Research Center in
New York
We would like to take the opportunity to express our gratitude to the Chairs,Program Committee members and additional reviewers of all refereed tracks,who ensured that ESWC 2011 maintained its highest standards of scientific qual-ity. Our thanks should also reach the Organizing Committee of the conference,for their dedication and hard work in selecting and coordinating the organiza-tion of a wide array of interesting workshops, tutorials, posters and panels thatcompleted the program of the conference. Special thanks go to the various or-ganizations who kindly support this year’s edition of the ESWC as sponsors, tothe Sponsorship Chair who coordinated these activities, and to the team aroundSTI International who provided an excellent service in all administrative andlogistic issues related to the organization of the event. Last, but not least, wewould like to say thank you to the Proceedings Chair, to the development teamof the Easychair conference management system and to our publisher, Springer,for their support in the preparation of this volume and the publication of theproceedings.
May 2011 Grigoris AntoniouMarko Grobelnik
Elena SimperlBijan Parsia
Dimitris PlexousakisPieter de Leenheer
Jeff Pan
Organization
Organizing Committee
General Chair Grigoris Antoniou(FORTH-ICS and University of Crete,Greece)
Program Chairs Marko Grobelnik(Jozef Stefan Institute, Slovenia)
Elena Simperl(Karlsruhe Institute of Technology,Germany)
News from Front Coordinators Lyndon Nixon (STI International, Austria)Alexander Wahler (STI International, Austria)
Poster and Demo Chairs Bijan Parsia (University of Manchester, UK)Dimitris Plexousakis
(FORTH-ICS and University of Crete,Greece)
Workshop Chairs Dieter Fensel (University of Innsbruck, Austria)Raul Garcıa Castro (UPM, Spain)
Tutorials Chair Manolis Koubarakis(University of Athens, Greece)
PhD Symposium Chairs Jeff Pan (University of Aberdeen, UK)Pieter De Leenheer
(VU Amsterdam, The Netherlands)Semantic TechnologiesCoordinators Matthew Rowe (The Open University, UK)
Sofia Angelatou (The Open University, UK)Proceedings Chair Antonis Bikakis
(University of Luxembourg, Luxembourg)Sponsorship Chair Anna Fensel (FTW, Austria)Publicity Chair Lejla Ibralic-Halilovic (STI, Austria)Panel Chairs John Domingue (The Open University, UK)
Asuncion Gomez-Perez (UPM, Spain)Treasurer Alexander Wahler (STI International, Austria)Local Organization andConference Administration STI International, Austria
Program Committee - Digital Libraries Track
Track Chairs
Martin Doerr, Carlo Meghini and Allen Renear
VIII Organization
Members
Trond AalbergBruno BachimontDonatella CastelliPanos ConstantopoulosStefan GradmannJen-Shin HongEero HyvonenAntoine IsaacTraugott Koch
Dimitris KotzinosMarcia LeizengEva MendezAlistair MilesJohn MylopoulosCarole PalmerIngeborg Torvik SolvbergDouglas TudhopeHerbert Van De Sompel
Program Committee - Inductive and ProbabilisticApproaches Track
Track Chairs
Rayid Ghani and Agnieszka Lawrynowicz
Members
Sarabjot AnandMikhail BilenkoStephan BloehdornChad CumbyClaudia D’AmatoNicola FanizziBlaz FortunaEric GaussierMelanie HilarioLuigi IannoneIvan JelinekJorg-Uwe Kietz
Ross KingJens LehmannYan LiuMatthias NicklesSebastian RudolphDou ShenSergej SizovUmberto StracciaVojtech SvatekVolker TrespJoaquin Vanschoren
Program Committee - Linked Open Data Track
Track Chairs
Mariano Consens, Paul Groth and Jens Lehmann
Members
Jose Luis AmbiteSoren AuerChristian BizerPaolo BouquetDan Brickley
Lin ClarkRichard CyganiakChristophe GueretHarry HalpinAndreas Harth
Organization IX
Olaf HartigOktie HassanzadehSebastian HellmannRinke HoekstraAnja JentzschSpyros KotoulasYuzhong Qu
Yves RaimondJuan F. SequedaNigam ShahYork SureThanh TranMischa TuffieldJun Zhao
Program Committee - Mobile Web Track
Track Chairs
Ora Lassila and Alessandra Toninelli
Members
Paolo BellavistaCristian BorceaValerie IssarnyDeepali KhushrajMika MannermaaEnrico Motta
Massimo PaolucciTerry PayneDavid ProvostAnand RanganathanBernhard SchandlMatthias Wagner
Program Committee - Natural Language Processing Track
Track Chairs
Philipp Cimiano and Michael Witbrock
Members
Guadalupe Aguado-De-CeaEnrique AlfonsecaNathalie Aussenac GillesRoberto BasiliKalina BontchevaChristopher BrewsterPeter ClarkThierry DeclerckBlaz FortunaAldo GangemiClaudio GiulianoGregory GrefenstetteSiegfried HandschuhLaura HollinkAndreas HothoJose Iria
Vanessa LopezDiana MaynardJohn MccraePaola MonachesiRoberto NavigliAchim RettingerMarta SabouSergej SizovPavel SmrzDennis SpohrChristina UngerVictoria UrenJohanna V”olkerRene WitteFabio Massimo Zanzotto
X Organization
Program Committee - Ontologies Track
Track Chairs
Mathieu D’Aquin and Heiner Stuckenschmidt
Members
Nathalie Aussenac-GillesEva BlomqvistAles BuhJean CharletOscar CorchoIsabel CruzJesualdo Tomas Fernandez-BreisChiara GhidiniAsun Gomez-PerezPierre GrenonMartin HeppPatrick LambrixDiana Maynard
Riichiro MizoguchiViktoria PammerHsofia PintoDimitris PlexousakisChantal ReynaudMarta SabouAnsgar ScherpGuus SchreiberLuciano SerafiniMichael SintekRobert StevensVojtech SvatekJohanna Voelker
Program Committee - Reasoning Track
Track Chairs
Emanuele Della Valle and Pascal Hitzler
Members
Jose Julio AlferesJie BaoAndre BollesDaniele BragaDiego CalvaneseIrene CelinoOscar CorchoBernardo Cuenca GrauClaudia D’AmatoMathieu D’AquinDaniele Dell’AglioMichael GrossniklausRinke HoekstraZhisheng HuangMarkus KrotzschThomas Lukasiewicz
Marko LutherFrederick MaierJeff Z. PanBijan ParsiaGuilin QiDumitru RomanRiccardo RosatiSebastian RudolphStefan SchlobachMichael SintekEvren SirinAnnette Ten TeijeKristin TufteGuido VetereZhe WuAntoine Zimmermann
Organization XI
Program Committee - Semantic Data Management Track
Track Chairs
Vassilis Christophides and Axel Polleres
Members
Karl AbererAbraham BernsteinAidan BoranAlessandro BozzonStefano CeriOscar CorchoOrri ErlingGeorge H. L. FletcherIrini FundulakiClaudio GutierrezSteve HarrisAndreas HarthAidan HoganMarcel KarnstedtPanagiotis KarrasGreg KarvounarakisAnastasios Kementsietsidis
Atanas KiryakovDimitris KotzinosManolis KoubarakisReto KrummenacherGeorg LausenJosiane Xavier ParreiraSherif SakrAndy SeaborneAmit ShethUmberto StracciaLetizia TancaThanh TranGiovanni TummarelloJacopo UrbaniYannis VelegrakisMaria Esther VidalJesse Weaver
Program Committee - Semantic Web in Use Track
Track Chairs
Daniel Olmedilla Pavel Shvaiko
Members
Harith AlaniGeorge AnadiotisGiuseppe AngeliniSAren AuerStefano BertoloOlivier BodenreiderPaolo BouquetFrancois BryPablo CastellsJohn DaviesMike DeanLee FeigenbaumAldo Gangemi
Fausto GiunchigliaJohn GoodwinPeter HaaseBin HeTom HeathNicola HenzeIvan HermanGeert-Jan HoubenEero HyvonenRenato IannellaAntoine IsaacAlexander IvanyukovichKrzysztof Janowicz
XII Organization
Yannis KalfoglouAtanas KiryakovBirgitta Konig-RiesRuben LaraNico LavariniAlain LegerMaurizio LenzeriniBernardo MagniniVincenzo MalteseMassimo MarchioriPeter MikaLuca MionAndriy NikolovLyndon NixonLeo ObrstMassimo Paolucci
Yefei PengErhard RahmYves RaimondSebastian SchaffertHannes SchwetzKavitha SrinivasAndrei TamilinKlaus-Dieter ThobenAndraz ToriTania TudoracheLorenzino VaccariMichael WitbrockBaoshi YanIlya ZaihrayeuSongmao Zhang
Program Committee - Sensor Web Track
Track Chairs
Harith Alani and Luca Mottola
Members
Philippe BonnetCiro CattutoOscar CorchoDavid De RoureCory HensonKrzysztof JanowiczYong LiuPedro Jose MarronKirk Martinez
Josiane Xavier ParreiraEric PauwelsJamie PaytonVinny ReynoldsMark RoantreeKay RoemerNenad StojanovicKerry TaylorEiko Yoneki
Program Committee - Software, Services, Processes andCloud Computing Track
Track Chairs
Barry Norton and Michael Stollberg
Members
Sudhir AgarwalLuciano BaresiIrene Celino
Violeta DamjanovicPieter De LeenheerTommaso Di Noia
Organization XIII
Federico FaccaJose FiadeiroAgata FilipowskaDragan GasevicStephan GrimmDimka KarastoyanovaHolger KettReto KrummenacherDave LambertFlorian LautenbacherNiels Lohmann
Jan MendlingAndreas MetzgerMassimo PaolucciCarlos PedrinaciPierluigi PlebaniDumitru RomanMonika SolankiNenad StojanovicIoan TomaJurgen Vogel
Program Committee - Social Web and Web Science Track
Track Chairs
Alexandre Passant and Denny Vrandecic
Members
Fabian AbelHarith AlaniSoren AuerScott BatemanEdward BensonShlomo BerkovskyJohn BreslinCiro CattutoFederica CenaRichard CyganiakAntonina DattoloDarina DichevaYing DingJon DronGuillaume EreteoAnna FenselFabien GandonCristina GenaSteve HarrisAidan HoganEkaterini IoannouNeil Ireson
Robert JaschkeLalana KagalPranam KolariGeorgia KoutrikaMilos KravcikJuanzi LiMeenakshi NagarajanMatthew RoweAnsgar ScherpJuan F. SequedaPaul SmartSergey SosnovskySteffen StaabMarkus StrohmaierChristopher ThomasMischa TuffieldShenghui WangKatrin WellerMary-Anne WilliamsJie ZhangLina Zhou
XIV Organization
Program Committee - PhD Symposium
Track Chairs
Pieter Deleenheer and Jeff Z. Pan
Members
Diego CalvaneseBernardo Cuenca GrauMathieu D’AquinJianfeng DuGiorgos FlourisTim FurcheZhiqiang GaoPascal HitzlerLaura HollinkZhisheng HuangJuanzi LiDiana MaynardJing MeiRalf MollerDimitris PlexousakisGuilin QiAlan Ruttenberg
Manuel SalvadoresKai-Uwe SattlerStefan SchlobachMurat SensoyLuciano SerafiniYi-Dong ShenKavitha SrinivasGiorgos StoilosHeiner StuckenschmidtVassilis TzouvarasHaofen WangKewen WangShenghui WangBenjamin ZapilkoMing ZhangYuting Zhao
Referees
Sofia AngeletouDarko AnicicFedor BakalovJurgen BockStefano BortoliSebastian BrandtSiarhei BykauMichele CaciElena CardilloMichele CatastaGong ChengAnnamaria ChiaseraCatherine ComparotGianluca CorrendoBrian DavisEvangelia DaskalakiRenaud DelbruKathrin Dentler
Huyen DoVicky DritsouGeorge EadonAngela FogarolliAnika GrossKarl HammarMatthias HertMartin HomolaMatthew HorridgeWei HuPrateek JainMouna KamelMalte KieselSzymon KlarmanJohannes KnoppMatthias KnorrHaridimos KondylakisJacek Kopecky
Gunter LadwigFeiyu LinDong LiuChristian MeilickeIvan MikhailovRammohan NarendulaAxel-Cyrille Ngonga
NgomoMaximilian NickelAndriy NikolovDusan OmercevicGiorgio OrsiMatteo PalmonariBastien RanceMariano Rodriguez
MuroMarco RospocherBrigitte Safar
Organization XV
Fatiha SaisFrank SawitzkiPhilipp SchaerAnne SchlichtEric SchmiedersMichael SchmidtLuigi SelmiGerardo SimariSergej Sizov
Dimitrios SkoutasPhilipp SorgSebastian SpeiserFlorian SteinkeCosmin StroeOndrej Svab-ZamazalStuart TaylorEdward ThomasKateryna Thymoshenko
Alejandro VaismanAndreas WagnerClaudia WagnerFang WeiPia-Ramona WojtinnekGang WuHonghan WuSurender Reddy YervaBenjamin Zapilko
Steering Committee
Chair
John Domingue
Members
Lora AroyoSean BechhoferFabio CiravegnaEnrico Franconi
Eero HyvonenMichael KiferPaolo Traverso
XVI Organization
Sponsoring Institutions
Platinum Sponsors
Gold Sponsors
Organization XVII
Silver Sponsors
Best Paper Award Sponsors
Video Recording Sponsors
Table of Contents – Part II
Semantic Data Management Track
Semantics and Optimization of the SPARQL 1.1 FederationExtension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Carlos Buil-Aranda, Marcelo Arenas, and Oscar Corcho
Grr: Generating Random RDF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Daniel Blum and Sara Cohen
High-Performance Computing Applied to Semantic Databases . . . . . . . . . 31Eric L. Goodman, Edward Jimenez, David Mizell, Sinan al-Saffar,Bob Adolf, and David Haglin
An Intermediate Algebra for Optimizing RDF Graph Pattern Matchingon MapReduce . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Padmashree Ravindra, HyeongSik Kim, and Kemafor Anyanwu
Query Relaxation for Entity-Relationship Search . . . . . . . . . . . . . . . . . . . . . 62Shady Elbassuoni, Maya Ramanath, and Gerhard Weikum
Optimizing Query Shortcuts in RDF Databases . . . . . . . . . . . . . . . . . . . . . . 77Vicky Dritsou, Panos Constantopoulos, Antonios Deligiannakis, andYannis Kotidis
RDFS Update: From Theory to Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93Claudio Gutierrez, Carlos Hurtado, and Alejandro Vaisman
Benchmarking Matching Applications on the Semantic Web . . . . . . . . . . . 108Alfio Ferrara, Stefano Montanelli, Jan Noessner, andHeiner Stuckenschmidt
Efficiently Evaluating Skyline Queries on RDF Databases . . . . . . . . . . . . . 123Ling Chen, Sidan Gao, and Kemafor Anyanwu
The Design and Implementation of Minimal RDFS Backward Reasoningin 4store . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Manuel Salvadores, Gianluca Correndo, Steve Harris,Nick Gibbins, and Nigel Shadbolt
XX Table of Contents – Part II
Semantic Web in Use Track
miKrow: Semantic Intra-enterprise Micro-Knowledge ManagementSystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Vıctor Penela, Guillermo Alvaro, Carlos Ruiz, Carmen Cordoba,Francesco Carbone, Michelangelo Castagnone,Jose Manuel Gomez-Perez, and Jesus Contreras
A Faceted Ontology for a Semantic Geo-catalogue . . . . . . . . . . . . . . . . . . . . 169Feroz Farazi, Vincenzo Maltese, Fausto Giunchiglia, andAlexander Ivanyukovich
SoKNOS – Using Semantic Technologies in Disaster ManagementSoftware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Grigori Babitski, Simon Bergweiler, Olaf Grebner, Daniel Oberle,Heiko Paulheim, and Florian Probst
Semantic Technologies for Describing Measurement Data inDatabases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Ulf Noyer, Dirk Beckmann, and Frank Koster
Ontology-Driven Guidance for Requirements Elicitation . . . . . . . . . . . . . . . 212Stefan Farfeleder, Thomas Moser, Andreas Krall, Tor Stalhane,Inah Omoronyia, and Herbert Zojer
The Semantic Public Service Portal (S-PSP) . . . . . . . . . . . . . . . . . . . . . . . . 227Nikolaos Loutas, Deirdre Lee, Fadi Maali, Vassilios Peristeras, andKonstantinos Tarabanis
DataFinland—A Semantic Portal for Open and Linked Datasets . . . . . . . 243Matias Frosterus, Eero Hyvonen, and Joonas Laitio
Biological Names and Taxonomies on the Semantic Web – Managingthe Change in Scientific Conception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Jouni Tuominen, Nina Laurenne, and Eero Hyvonen
An Approach for More Efficient Energy Consumption Based onReal-Time Situational Awareness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Yongchun Xu, Nenad Stojanovic, Ljiljana Stojanovic,Darko Anicic, and Rudi Studer
Sensor Web Track
Ontology-Driven Complex Event Processing in Heterogeneous SensorNetworks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Kerry Taylor and Lucas Leidinger
Table of Contents – Part II XXI
A Semantically Enabled Service Architecture for Mashups overStreaming and Stored Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Alasdair J.G. Gray, Raul Garcıa-Castro, Kostis Kyzirakos,Manos Karpathiotakis, Jean-Paul Calbimonte, Kevin Page,Jason Sadler, Alex Frazer, Ixent Galpin, Alvaro A.A. Fernandes,Norman W. Paton, Oscar Corcho, Manolis Koubarakis,David De Roure, Kirk Martinez, and Asuncion Gomez-Perez
Software, Services, Processes and Cloud ComputingTrack
Zhi# – OWL Aware Compilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315Alexander Paar and Denny Vrandecic
Lightweight Semantic Annotation of Geospatial RESTful Services . . . . . . 330Vıctor Saquicela, Luis.M. Vilches-Blazquez, and Oscar Corcho
Towards Custom Cloud Services: Using Semantic Technology toOptimize Resource Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Steffen Haak and Stephan Grimm
Social Web and Web Science Track
One Tag to Bind Them All: Measuring Term Abstractness in SocialMetadata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Dominik Benz, Christian Korner, Andreas Hotho,Gerd Stumme, and Markus Strohmaier
Semantic Enrichment of Twitter Posts for User Profile Construction onthe Social Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
Fabian Abel, Qi Gao, Geert-Jan Houben, and Ke Tao
Improving Categorisation in Social Media Using Hyperlinks toStructured Data Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Sheila Kinsella, Mengjiao Wang, John G. Breslin, and Conor Hayes
Predicting Discussions on the Social Semantic Web . . . . . . . . . . . . . . . . . . . 405Matthew Rowe, Sofia Angeletou, and Harith Alani
Mining for Reengineering: An Application to Semantic Wikis UsingFormal and Relational Concept Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Lian Shi, Yannick Toussaint, Amedeo Napoli, andAlexandre Blansche
XXII Table of Contents – Part II
Demo Track
SmartLink: A Web-Based Editor and Search Environment for LinkedServices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436
Stefan Dietze, Hong Qing Yu, Carlos Pedrinaci, Dong Liu, andJohn Domingue
ViziQuer: A Tool to Explore and Query SPARQL Endpoints . . . . . . . . . . 441Martins Zviedris and Guntis Barzdins
EasyApp: Goal-Driven Service Flow Generator with Semantic WebService Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
Yoo-mi Park, Yuchul Jung, HyunKyung Yoo, Hyunjoo Bae, andHwa-Sung Kim
Who’s Who – A Linked Data Visualisation Tool for MobileEnvironments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
A. Elizabeth Cano, Aba-Sah Dadzie, and Melanie Hartmann
OntosFeeder – A Versatile Semantic Context Provider for Web ContentAuthoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
Alex Klebeck, Sebastian Hellmann, Christian Ehrlich, and Soren Auer
wayOU – Linked Data-Based Social Location Tracking in a Large,Distributed Organisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461
Mathieu d’Aquin, Fouad Zablith, and Enrico Motta
SeaFish: A Game for Collaborative and Visual Image Annotation andInterlinking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 466
Stefan Thaler, Katharina Siorpaes, David Mear, Elena Simperl, andCarl Goodman
The Planetary System: Executable Science, Technology, Engineeringand Math Papers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471
Christoph Lange, Michael Kohlhase, Catalin David,Deyan Ginev, Andrea Kohlhase, Bogdan Matican, Stefan Mirea, andVyacheslav Zholudev
Semantic Annotation of Images on Flickr . . . . . . . . . . . . . . . . . . . . . . . . . . . 476Pierre Andrews, Sergey Kanshin, Juan Pane, and Ilya Zaihrayeu
FedX: A Federation Layer for Distributed Query Processing on LinkedOpen Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481
Andreas Schwarte, Peter Haase, Katja Hose, Ralf Schenkel, andMichael Schmidt
Table of Contents – Part II XXIII
PhD Symposium
Reasoning in Expressive Extensions of the RDF Semantics . . . . . . . . . . . . 487Michael Schneider
Personal Semantics: Personal Information Management in the Webwith Semantic Technologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492
Salman Elahi
Reasoning with Noisy Semantic Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497Qiu Ji, Zhiqiang Gao, and Zhisheng Huang
Extracting and Modeling Historical Events to Enhance Searching andBrowsing of Digital Cultural Heritage Collections . . . . . . . . . . . . . . . . . . . . 503
Roxane Segers
Enriching Ontologies by Learned Negation: Or How to Teach OntologiesVegetarianism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 508
Daniel Fleischhacker
Optimizing Query Answering over OWL Ontologies . . . . . . . . . . . . . . . . . . 513Ilianna Kollia
Hybrid Search Ranking for Structured and Unstructured Data . . . . . . . . . 518Daniel M. Herzig
Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 523
Table of Contents – Part I
Digital Libraries Track
Interactive Exploration of Fuzzy RDF Knowledge Bases . . . . . . . . . . . . . . 1Nikos Manolis and Yannis Tzitzikas
A Structured Semantic Query Interface for Reasoning-Based Searchand Retrieval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Dimitrios A. Koutsomitropoulos, Ricardo Borillo Domenech, andGeorgia D. Solomou
Distributed Human Computation Framework for Linked DataCo-reference Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Yang Yang, Priyanka Singh, Jiadi Yao, Ching-man Au Yeung,Amir Zareian, Xiaowei Wang, Zhonglun Cai, Manuel Salvadores,Nicholas Gibbins, Wendy Hall, and Nigel Shadbolt
Inductive and Probabilistic Approaches Track
Relational Kernel Machines for Learning from Graph-Structured RDFData . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Veli Bicer, Thanh Tran, and Anna Gossen
AutoSPARQL: Let Users Query Your Knowledge Base . . . . . . . . . . . . . . . . 63Jens Lehmann and Lorenz Buhmann
Contextual Ontology Alignment of LOD with an Upper Ontology:A Case Study with Proton . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Prateek Jain, Peter Z. Yeh, Kunal Verma, Reymonrod G. Vasquez,Mariana Damova, Pascal Hitzler, and Amit P. Sheth
Linked Open Data Track
Hide the Stack: Toward Usable Linked Data . . . . . . . . . . . . . . . . . . . . . . . . . 93Aba-Sah Dadzie, Matthew Rowe, and Daniela Petrelli
Linked Data Metrics for Flexible Expert Search on the open Web . . . . . . 108Milan Stankovic, Jelena Jovanovic, and Philippe Laublet
Statistical Schema Induction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124Johanna Volker and Mathias Niepert
XXVI Table of Contents – Part I
SIHJoin: Querying Remote and Local Linked Data . . . . . . . . . . . . . . . . . . . 139Gunter Ladwig and Thanh Tran
Zero-Knowledge Query Planning for an Iterator Implementation ofLink Traversal Based Query Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Olaf Hartig
Integrating Linked Data and Services with Linked Data Services . . . . . . . 170Sebastian Speiser and Andreas Harth
Mobile Web Track
OntoWiki Mobile – Knowledge Management in Your Pocket . . . . . . . . . . . 185Timofey Ermilov, Norman Heino, Sebastian Tramp, and Soren Auer
Weaving a Distributed, Semantic Social Network for Mobile Users . . . . . . 200Sebastian Tramp, Philipp Frischmuth, Natanael Arndt,Timofey Ermilov, and Soren Auer
Natural Language Processing Track
Automatic Semantic Subject Indexing of Web Documents in HighlyInflected Languages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Reetta Sinkkila, Osma Suominen, and Eero Hyvonen
FootbOWL: Using a Generic Ontology of Football Competition forPlanning Match Summaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Nadjet Bouayad-Agha, Gerard Casamayor, Leo Wanner,Fernando Dıez, and Sergio Lopez Hernandez
Linking Lexical Resources and Ontologies on the Semantic Web withLemon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
John McCrae, Dennis Spohr, and Philipp Cimiano
Ontologies Track
Elimination of Redundancy in Ontologies . . . . . . . . . . . . . . . . . . . . . . . . . . . 260Stephan Grimm and Jens Wissmann
Evaluating the Stability and Credibility of Ontology MatchingMethods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Xing Niu, Haofen Wang, Gang Wu, Guilin Qi, and Yong Yu
How Matchable Are Four Thousand Ontologies on the Semantic Web . . . 290Wei Hu, Jianfeng Chen, Hang Zhang, and Yuzhong Qu
Understanding an Ontology through Divergent Exploration . . . . . . . . . . . . 305Kouji Kozaki, Takeru Hirota, and Riichiro Mizoguchi
Table of Contents – Part I XXVII
The Use of Foundational Ontologies in Ontology Development:An Empirical Assessment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
C. Maria Keet
Using Pseudo Feedback to Improve Cross-Lingual Ontology Mapping . . . 336Bo Fu, Rob Brennan, and Declan O’Sullivan
Automatic Identification of Ontology Versions Using Machine LearningTechniques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
Carlo Allocca
Reasoning Track
A Tableaux-Based Algorithm for SHIQ with Transitive Closure ofRoles in Concept and Role Inclusion Axioms . . . . . . . . . . . . . . . . . . . . . . . . 367
Chan Le Duc, Myriam Lamolle, and Olivier Cure
SPARQL Query Answering over OWL Ontologies . . . . . . . . . . . . . . . . . . . . 382Ilianna Kollia, Birte Glimm, and Ian Horrocks
Epistemic Querying of OWL Knowledge Bases . . . . . . . . . . . . . . . . . . . . . . . 397Anees Mehdi, Sebastian Rudolph, and Stephan Grimm
A Practical Approach for Computing Generalization Inferencesin EL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Rafael Penaloza and Anni-Yasmin Turhan
Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425