[Elsnet-list] SIGIR Workshop on Large-Scale Distributed Systems for Information Retrieval

Roi Blanco rblanco at udc.es
Wed Mar 31 17:27:18 CEST 2010

Apologies for cross-postings

Call For Papers
LSDS-IR 2010
The 8th International Workshop on
Large-Scale Distributed Systems for Information Retrieval
Co-located with ACM SIGIR 2010, Friday, July 23, 2010
University of Geneva, Switzerland

*Aims & Topics of Interest*:

The Web is estimated to contain at least 21 billion Web pages as of January
2010. In parallel to the growth of the Web, the population of Web users has
also rapidly increased, and the patterns of interaction of those users with
search engines have changed. Today, the main research challenge is to scale
large-scale search engines with the growth of the Web, without sacrificing
from user satisfaction.

Traditionally, large-scale commercial search engines operate on one or more
data centers, each containing multiple, very large clusters of computers.
Coping with the increasing number of user requests as well as crawling and
indexing more pages requires adding more computational resources to data
centers. There are, however, constraints in the scalability of such systems,
such as financial costs and physical space constraints. Consequently,
distributing the functionality of a search engine along with improving the
utilization of resources in a single data center becomes of ultimate
importance to the success of future generations of search systems.

Distributed search engines do not only solve the scalability issue, but they
enable new classes of applications that leverage the distribution of
processing units across a geographical area. As another facet of distributed
IR, we are interested in contributions that propose different ways of using
diversity and multiplicity of resources available in such distributed
systems. More specifically, we are interested in novel applications, models,
and architectures that deal with efficiency and scalability issues as well
as data diversity and community-oriented information sharing.

This workshop aims to bring together both experienced and young researchers
from distributed IR, including work on P2P search and efficiency of
distributed systems for information processing. This edition of the workshop
will favor novel, perhaps even outrageous ideas as opposed to finished
research work, thus strongly encouraging the submission of position papers
in addition to research papers. Position papers are important to foster
discussion upon controversial and intriguing ideas on new ways of building
distributed infrastructures for information processing.

We thus encourage submissions of position papers in the area of distributed
IR, and we will also accept research papers which have the potential to
generate discussion. Topics of interest will include, but will not be
limited to:

   * Novel distributed IR applications
   * Web search in the cloud: application of cloud computing to IR
   * IR algorithms on novel computing architectures
   * Efficiency and scalability in distributed query processing
   * Geographically distributed search engines
   * Inverted index partitioning and replication models (with applications
     distributed ranking)
   * Collection selection and result merging in federated IR
   * Distributed Web crawling
   * Distributed indexing and retrieval of dynamic information sources
   * Search engine caching in large scale systems
   * Resource selection and query routing in distributed environments
   * Heterogeneous distributed data integration and organization
   * Retrieval models for distributed IR Standards and benchmarks for
distributed IR

The authors presenting the most innovative paper will receive the “Best Idea
Award”, according to the originality and feasibility of their contribution.

*Important dates*

Paper submission deadline: *May 22, 2010*
Notification of acceptance: June 25, 2010
Camera ready deadline: July 5, 2010
Workshop date: July 23, 2010

*Submission Instructions*

The workshop will accept regular papers and encourages the submission of
position papers as well. Papers should not exceed 5 pages (can be extended
up to 6 pages for regular papers if needed), double column, including
figures, tables and references in the standard ACM conference format (
http://www.acm.org/sigs/publications/proceedings-templates). Position papers
must rise interesting ideas and intriguing new topics, and they do not need
to include experiments and definitive achievements. Papers have to present
original research contributions not concurrently submitted elsewhere, and
must be submitted electronically in printable PDF format. Authors should
include a sub-title explicitly identifying their submission as a regular or
a position paper. Submitted papers will undergo a peer review process by at
least three members of the program committee. The review process is
single-blind. At least one author of an accepted paper must register for the

As for past editions of the workshop, the workshop chairs will consider the
opportunity to
organize a special issue in an international journal with extended versions
of best papers.

Submission Web site: https://cmt.research.microsoft.com/LSDSIR2010.

*Workshop Chairs*

Roi Blanco, Yahoo! Research, Barcelona, Spain
B. Barla Cambazoglu, Yahoo! Research, Barcelona, Spain
Claudio Lucchese, ISTI-CNR, Pisa, Italy

*Steering Committee*

Flavio Junqueira, Yahoo! Research, Barcelona, Spain
Fabrizio Silvestri, ISTI-CNR, Pisa, Italy
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