Job: Two Open Positions, Yahoo! Research (Barcelona)

Thierry Hamon thierry.hamon at LIPN.UNIV-PARIS13.FR
Fri Oct 24 15:18:34 UTC 2008

Date: Thu, 23 Oct 2008 17:36:19 +0100
From: "Hugo Zaragoza" <hugoz at>
Message-ID: <B900B226FFE94540AF3D907701F328F00E8708FC at>

Two Open Positions: Postdoctoral Fellow, Research Engineer

Employer: Yahoo! Research (Barcelona) - Fundació Barcelona-Media

Location: Barcelona, Spain

Start date: January 1st, 2009

Duration: 3 years, full time.


Yahoo! Research Barcelona and Fundació Barcelona-Media are looking to
hire a Postdoctoral Fellow and a Research Engineer. The persons
employed for these positions will research, develop and implement new
and innovative algorithms for search and navigation.

These tasks are motivated by LivingKnowledge, a new EU project in the
Future and Emerging Technologies program. The project starts on
February 1st 2009 and has a duration of three years. LivingKnowledge
focuses on the diversity of knowledge, e.g., cultural backgrounds,
schools of thought, or geographical contexts all drive different
judgments, assessments, and opinions on the same facts. Time and
evolution add a further dimension making diversity an intrinsic and
unavoidable property of knowledge. The vision inspiring
LivingKnowledge is to consider diversity an asset and make it
traceable, understandable and exploitable, with the goal to improve
navigation and search in very large multimodal datasets. Within
LivingKnowledge, Yahoo! Research Barcelona (in a joint project with
Fundació Barcelona-Media) is responsible for research and
implementation of the search components, and for implementing one or
several demonstrators.

The research and development work will focus on some of these aspects:

* Document representation, ranking functions and interaction models
  that incorporate diversity in several aspects, e.g., bias, opinions
  and the temporal dimension.

* Entity Retrieval and Browsing incorporating temporal aspects as well
  as aspects of opinion, consensus, etc.

* Novelty detection, opinion mining, bias detection.

* Efficient indexing and ranking algorithms for the above tasks.

The work will be developed under the supervision of Hugo Zaragoza and
Ricardo Baeza-Yates, jointly at the Yahoo! Research (Barcelona)
laboratory ( and the Fundació
Barcelona-Media (


Required Skills/Qualifications for the Postdoctoral position:

* Ph.D. in Computer Science.

* Strong research track record on computational linguistics, machine
  learning, and/or information retrieval. Candidates that have
  experience in sentence/entity/temporal retrieval, opinion mining, or
  novelty detection are preferred.

* Knowledge of the Spanish language is not required.

Required Skills/Qualifications for the Research Engineer:

* Degree in Computer Science.

* Strong programming skills.

* Knowledge of Web technologies: JavaScript, PHP, Tomcat, XML.

* Experience in Research & Development projects.

* Knowledge of the Spanish language is not required.

To apply, send your CV (indicating the names of three referees) to
hugoz at yahoo-inc .com with the title "LivingKnowledge Application".

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