| Vol-1025 urn:nbn:de:0074-1025-4 Copyright © 2013 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.

# DBCrowd 2013
Databases and Crowdsourcing

### Proceedings of the First VLDB Workshop on Databases and Crowdsourcing (DBCrowd 2013)
co-located with the 39th International Conference on Very Large Data Bases (VLDB 2013)

### Riva del Garda, Trento, Italy, August 26, 2013.

Edited by

### Reynold Cheng *
Anish Das Sarma **
Silviu Maniu *
Pierre Senellart ***

* The University of Hong Kong, Department of Computer Science, Hong Kong
** Google, Mountain View, California, USA
*** Télécom ParisTech, Paris, France

## Table of Contents

- Front matter

### Invited Keynotes

- Multi-Platform, Reactive Crowdsourcing 5
  Stefano Ceri
- Mining the Crowd 6
  Tova Milo

### Research Papers

- Wrapper Generation Supervised by a Noisy Crowd 8-13
  Valter Crescenzi, Paolo Merialdo, Disheng Qiu
- Crowdsourcing to Mobile Users: A Study of the Role of Platforms and Tasks 14-19
  Vincenzo Della Mea, Eddy Maddalena, Stefano Mizzaro
- Condition-Task-Store: A Declarative Abstraction for Microtask-based Complex Crowd-sourcing 20-25
  Kenji Gonnokami, Atsuyuki Morishima, Hiroyuki Kitagawa
- The Palm-tree Index: Indexing with the crowd 26-31
  Ahmed Mahmood, Walid Aref, Eduard Dragut, Saleh Basalamah
- Crowdsourcing Feedback for PayAsYouGo Data Integration 32-37
  Fernando Osorno-Gutierrez, Norman Paton, Alvaro A. A. Fernandes

### Vision Papers

- Crowds, not Drones: Modeling Human Factors in Interactive Crowdsourcing 39-42
  Senjuti Basu Roy, Ioanna Lykourentzou, Saravanan Thirumuruganathan, Sihem Amer-Yahia, Gautam Das
- Cost and Quality Trade-Offs in Crowdsourcing 43-46
  Anja Gruenheid, Donald Kossmann
- Data in Context: Aiding News Consumers while Taming Dataspaces 47-50
  Eugene Wu, Adam Marcus, Sam Madden

The whole proceedings can also be downloaded as a single file (pdf).

2013-08-23: submitted by Pierre Senellart
2013-08-25: published on CEUR-WS.org