Semantic Web Challenges

1. Front Matter

   Pages I-XII

   PDF

2. The Mighty Storage Challenge

   1. Front Matter

      Pages 1-1

      PDF

   2. MOCHA2017: The Mighty Storage Challenge at ESWC 2017

      • Kleanthi Georgala, Mirko Spasić, Milos Jovanovik, Henning Petzka, Michael Röder, Axel-Cyrille Ngonga Ngomo

      Pages 3-15

   3. Challenge Accepted: QUAD Meets MOCHA2017

      • Alexander Potocki, Daniel Hladky, Martin Voigt

      Pages 16-20

   4. MOCHA 2017 as a Challenge for Virtuoso

      • Mirko Spasić, Milos Jovanovik

      Pages 21-32

3. Open Knowledge Extraction Challenge

   1. Front Matter

      Pages 33-33

      PDF

   2. Open Knowledge Extraction Challenge 2017

      • René Speck, Michael Röder, Sergio Oramas, Luis Espinosa-Anke, Axel-Cyrille Ngonga Ngomo

      Pages 35-48

   3. ADEL@OKE 2017: A Generic Method for Indexing Knowledge Bases for Entity Linking

      • Julien Plu, Raphaël Troncy, Giuseppe Rizzo

      Pages 49-55

4. Question Answering over Linked Data Challenge

   1. Front Matter

      Pages 57-57

      PDF

   2. 7th Open Challenge on Question Answering over Linked Data (QALD-7)

      • Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo, Bastian Haarmann, Anastasia Krithara, Michael Röder, Giulio Napolitano

      Pages 59-69

   3. End-to-End Representation Learning for Question Answering with Weak Supervision

      • Daniil Sorokin, Iryna Gurevych

      Pages 70-83

   4. WDAqua-core0: A Question Answering Component for the Research Community

      • Dennis Diefenbach, Kamal Singh, Pierre Maret

      Pages 84-89

   5. AMAL: Answering French Natural Language Questions Using DBpedia

      • Nikolay Radoev, Mathieu Tremblay, Michel Gagnon, Amal Zouaq

      Pages 90-105

5. Semantic Sentiment Analysis

   1. Front Matter

      Pages 107-107

      PDF

   2. Semantic Sentiment Analysis Challenge at ESWC2017

      • Diego Reforgiato Recupero, Erik Cambria, Emanuele Di Rosa

      Pages 109-123

   3. Fine-Grained Sentiment Analysis on Financial Microblogs and News Headlines

      • Mattia Atzeni, Amna Dridi, Diego Reforgiato Recupero

      Pages 124-128

   4. Language Independent Sentiment Analysis of the Shukran Social Network Using Apache Spark

      • Walid Iguider, Diego Reforgiato Recupero

      Pages 129-132

   5. Aspect-Based Opinion Mining Using Knowledge Bases

      • Marco Federici, Mauro Dragoni

      Pages 133-147

   6. The IRMUDOSA System at ESWC-2017 Challenge on Semantic Sentiment Analysis

      • Giulio Petrucci, Mauro Dragoni

      Pages 148-165

   7. Opinion Mining with a Clause-Based Approach

      • Andi Rexha, Mark Kröll, Mauro Dragoni, Roman Kern

      Pages 166-175

This book constitutes the thoroughly refereed post conference proceedings of the 4th edition of the Semantic Web Evaluation Challenge, SemWebEval 2017, co-located with the 14th European Semantic Web conference, held in Portoroz, Slovenia, in May/June 2017.


This book includes the descriptions of all methods and tools that competed at SemWebEval 2017, together with a detailed description of the tasks, evaluation procedures and datasets. The 11 revised full papers presented in this volume were carefully reviewed and selected from 21 submissions. The contributions are grouped in the areas: the mighty storage challenge; open knowledge extraction challenge; question answering over linked data challenge; semantic sentiment analysis.

• artificial intelligence
• benchmarks
• computational linguistics
• information retrieval
• knowledge extraction
• knowledge management
• linked data
• machine learning
• Natural Language Processing (NLP)
• question answering
• Resource Description Framework (RDF)
• semantic web
• semantics
• sentiment analysis
• Social Networks (SN)
• SPARQL
• World Wide Web

• Fondazione Bruno Kessler , Povo, Italy

  Mauro Dragoni

• University of Oxford , Oxford, United Kingdom

  Monika Solanki

• Linköping University , Linköping, Sweden

  Eva Blomqvist

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