| Vol-884 urn:nbn:de:0074-884-7 Copyright © 2012 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# VLDS 2012
Very Large Data Search

### Proceedings of the Second International Workshop on Searching and Integrating New Web Data Sources

### Istanbul, Turkey, August 31, 2012.

Edited by

### Marco Brambilla *
Stefano Ceri *
Tim Furche **
Georg Gottlob **

* Politecnico di Milano, Dipartimento di Elettronica e Informazione, Milano, Italy
** University of Oxford, Department of Computer Science, Oxford, UK

## Table of Contents

- Preface 1-2
  Marco Brambilla, Stefano Ceri, Tim Furche, Georg Gottlob

### Session 1: Invited talks

1. Semantic Search: from Names and Phrases to Entities and Relations (invited paper) 3
   Gerhard Weikum
2. The Future of Information Discovery and Search: Content Optimization, Interactivity, Semantics, and Social Networks (invited paper) 4
   Raghu Ramakrishnan

### Session 2: Web Knowledge Bases

3. Cross-Fertilizing Deep Web Analysis and Ontology Enrichment 5-8
   Marilena Oita, Antoine Amarilli, Pierre Senellart
4. Hierarchical Clustering on HDP Topics to build a Semantic Tree from Text 9-14
   Jianfeng Si, Qing Li, Tieyun Qian, Xiaotie Deng
5. Query-Time Reasoning in Uncertain RDF Knowledge Bases with Soft and Hard Rules 15-20
   Ndapandula Nakashole, Mauro Sozio, Fabian Suchanek, Martin Theobald

### Session 3: Deep Web

6. Dealing with the Deep Web and all its Quirks 21-24
   Meghyn Bienvenu, Daniel Deutch, Davide Martinenghi, Pierre Senellart, Fabian Suchanek
7. DeepDive: Web-scale Knowledge-base Construction using Statistical Learning and Inference 25-28
   Feng Niu, Ce Zhang, Christopher Re, Jude Shavlik

### Session 4: Wrappers

8. Think before you Act! Minimising Action Execution in Wrappers 29-34
   Tim Furche, Giovanni Grasso, Christian Schallhart, Andrew Sellers, Antonino Rullo
9. Minimizing the Costs of the Training Data for Learning Web Wrappers 35-40
   Rolando Creo, Valter Crescenzi, Disheng Qiu, Paolo Merialdo

15-Aug-2012: submitted by Marco Brambilla
16-Aug-2012: published on CEUR-WS.org