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                                  Preface


    This volume contains the papers presented at LD4IE2014: Linked Data for
Information Extraction, held on October 20, 2014 in Riva Del Garda, in con-
junction with the 13th International Semantic Web Conference (ISWC2014).
Additional workshop details can be found at http://oak.dcs.shef.ac.uk/ld4ie2014

    The program committee selected 5 full papers for the program of LD4IE2014.
In addition, the workshop, at its second edition, features an Information Extrac-
tion (IE) challenge, described in the paper “IE challenge overview”. The winning
IE challenge system is presented in the short paper “µRaptor: A DOM-based
system with appetite for hCard elements”. The invited speaker for LD4IE2014
is Pablo N. Mendes, with his talk “Where is the Semantics and where do we
want it to be? Let the flaming begin!”.


   9:00-9:05 Opening. Anna Lisa Gentile
   9:05-09:55 Invited talk. Pablo Mendes
               Where is the Semantics and where do we want it to be?
               Let the flaming begin!
   9:55-10:05 IE challenge overview. Robert Meusel and Heiko Paulheim
   10:05-10:10 IE challenge lightening talk.
               µRaptor: A DOM-based system with appetite for hCard elements.
               Emir Muñoz, Luca Costabello and Pierre-Yves Vandenbussche
   10:10-10:30 Cross-Document Coreference Resolution using Latent Features.
               Axel-Cyrille Ngonga Ngomo, Michael Röder and Ricardo Usbeck
   10:30-11:00 Coffee break
   11:00-11:20 Learning Regular Expressions for the Extraction of Product
               Attributes from E-commerce Microdata.
               Petar Petrovski, Volha Bryl and Christian Bizer
   11:20-11:40 Learning Content Patterns from Linked Data.
               Emir Muñoz
   11:40-12:00 Inductive Entity Typing Alignment.
               Giuseppe Rizzo, Marieke Van Erp and Raphaël Troncy
   12:00-12:20 Online Index Extraction from Linked Open Data Sources.
               Fabio Benedetti, Sonia Bergamaschi and Laura Po
   12:20-12:30 Closing and awards



October 15, 2014
Sheffield
                                                              Anna Lisa Gentile
Table of Contents

Where is the Semantics and where do we want it to be? Let the flaming
begin! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   1
   Pablo Mendes
Linked Data for Information Extraction Challenge 2014: Tasks and Results                                                        3
   Robert Meusel and Heiko Paulheim
Online Index Extraction from Linked Open Data Sources . . . . . . . . . . . . . .                                              9
   Fabio Benedetti, Sonia Bergamaschi and Laura Po
Learning Content Patterns from Linked Data . . . . . . . . . . . . . . . . . . . . . . . . .                                   21
   Emir Muñoz
Cross-Document Coreference Resolution using Latent Features . . . . . . . . . .                                                33
   Axel-Cyrille Ngonga Ngomo, Michael Röder and Ricardo Usbeck
Learning Regular Expressions for the Extraction of Product Attributes
from E-commerce Microdata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .                        45
   Petar Petrovski, Volha Bryl and Christian Bizer
Inductive Entity Typing Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .                            55
   Giuseppe Rizzo, Marieke Van Erp and Raphaël Troncy
µRaptor: A DOM-based system with appetite for hCard elements . . . . . . .                                                     67
  Emir Muñoz, Luca Costabello and Pierre-Yves Vandenbussche
Program Committee

Rabeeh Ayaz Abbasi             Quaid-i-Azam University, Islamabad
Isabelle Augenstein            University of Sheffield, UK
Payam Barnaghi                 University of Surrey, UK
Pierpaolo Basile               University of Bari, Italy
Christopher Brewster           Aston University, UK
Paul Buitelaar                 INSIGHT@NUI Galway, Ireland
Amparo Elizabeth Cano Basave   The Open University, UK
Claudia D’Amato                University of Bari, Italy
Brian Davis                    INSIGHT@NUI Galway, Ireland
Ernesto William De Luca        Fachhochschule Potsdam, Germany
Nico Fanizzi                   University of Bari, Italy
Christina Feilmayr             University of Linz, Austria
Miriam Fernandez               Open University, UK
Anna Lisa Gentile              University of Sheffield, UK
Katja Hose                     Aalborg University, Denmark
Craig Knoblock                 University of Southern California, USA
Petr Knoth                     Open University, UK
Vanessa Lopez                  IBM Dublin, Ireland
Diana Maynard                  University of Sheffield, UK
Pablo Mendes                   IBM Research, USA
Andrea Moro                    Sapienza University of Rome, Italy
Varish Mulwad                  UMBC ebiquity, USA
Matthias Nickles               INSIGHT@NUI Galway, Ireland
Andrea Giovanni Nuzzolese      University of Bologna, Italy
Heiko Paulheim                 University of Mannheim, Germany
Simone Paolo Ponzetto          University of Mannheim, Germany
Jay Pujara                     University of Maryland, USA
Disheng Qiu                    Università Roma Tre, Italy
Will Radford                   Xerox XRCE Grenoble, France
Martin Riedl                   TU Darmstadt, Germany
Thomas Roth-Berghofer          University of West London, UK
Volker Tresp                   Siemens AG, Germany
Victoria Uren                  Aston University, UK
Xingxing Zhang                 University of Edinburgh, UK
Ziqi Zhang                     University of Sheffield, UK

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