| Vol-1225 urn:nbn:de:0074-1225-1 Copyright © 2014 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.

# PIR 2014
Privacy-Preserving IR 2014

### Proceeding of the 1st International Workshop on Privacy-Preserving IR: When Information Retrieval Meets Privacy and Security
co-located with 37th Annual International ACM SIGIR conference (SIGIR 2014)

### Gold Coast, Australia, July 11, 2014.

Edited by

### Luo Si *
Hui Yang **

* Purdue University, Computer Science Department, West Lafayette IN, USA
** Georgetown University, Department of Computer Science, Washington D.C., USA

## Table of Contents

- Preface

### Full Papers

- HEALTH+Z: Confidential Provider Selection in Collaborative Healthcare P2P Networks 1-6
  Sergej Zerr, Odyseas Papapetrou, Elena Demidova
- Privacy-Preserving Important Passage Retrieval 7-12
  Lus Marujo, Jos Portlo, David Martins de Matos, Joo P. Neto, Anatole Gershman, Jaime Carbonell, Isabel Trancoso, Bhiksha Raj
- Benchmarking the Privacy-Preserving People Search 13-18
  Shuguang Han, Daqing He, Zhen Yue
- Not So Unique in the Crowd: a Simple and Effective Algorithm for Anonymizing Location Data 19-24
  Yi Song, Daniel Dahlmeier, Stephane Bressan
- User Comment Analysis for Android apps and CSPI Detection with Comment Expansion 25-30
  Lei Cen, Luo Si, Ninghui Li, Hongxia Jin
- Personalisation of Web Search: Exploring Search Query Parameters and User Information Privacy Implications-The Case of Google 31-36
  Anisha T. J. Fernando, Jia Tina Du, Helen Ashman

### Short Papers

- VIRLab: A Platform for Privacy-Preserving Evaluation for Information Retrieval Models 37-38
  Hui Fang, ChengXiang Zhai
- On Using Information Retrieval for the Selection and Sensitivity Review of Digital Public Records 39-40
  Timothy Gollins, Graham McDonald, Craig Macdonald, Iadh Ounis
- Increased Information Leakage from Text 41-42
  Sicong Zhang, Hui Yang, Lisa Singh

2014-09-03: submitted by Luo Si, Lei Cen
2014-09-15: published on CEUR-WS.org |valid HTML5|