Concept

Robot d'indexation

Publications associées (92)

Structured Overlay For Heterogeneous Environments: Design and Evaluation of Oscar

Karl Aberer, Anwitaman Datta, Sarunas Girdzijauskas

Recent years have seen advances in building large internet-scale index structures, generally known as structured overlays. Early structured overlays realized distributed hash tables (DHTs) which are ill suited for anything but exact queries. The need to su ...

2010

Security Games in Online Advertising: Can Ads Help Secure the Web?

Jean-Pierre Hubaux, Maxime Raya, Nevena Vratonjic

Some ISPs are trying to become part of the online advertising market. Such ISPs either: (i) cooperate with online advertising entities (e.g., ad networks) by providing users’ private information to achieve better ad targeting in exchange for a share of the ...

2010

Understanding the Web

Eda Baykan

The World Wide Web is one of the most widely used information resources. Understanding the web better will enable us to benefit more of it. In this thesis we develop techniques to learn the properties of the web pages like language and topic using only the ...

EPFL2009

Purely URL-based Topic Classification

Monika Henzinger, Ingmar Weber, Eda Baykan, Ludmila Marian

Given only the URL of a web page, can we identify its topic? This is the question that we examine in this paper. Usually, web pages are classified using their content, but a URL-only classifier is preferable, (i) when speed is crucial, (ii) to enable conte ...

2009

Query-Driven Indexing for Scalable Peer-to-Peer Text Retrieval

Karl Aberer, Martin Rajman, Vinh Toan Luu, Ivana Podnar, Gleb Skobeltsyn

We present a query-driven algorithm for the distributed indexing of large document collections within structured P2P networks. To cope with bandwidth consumption that has been identified as the major problem for the standard P2P approach with single term i ...

2009

Query-Driven Indexing for Scalable Peer-to-Peer Text Retrieval

Karl Aberer, Martin Rajman, Vinh Toan Luu, Ivana Podnar, Gleb Skobeltsyn

In this paper, we present a query-driven indexing/retrieval strategy for efficient full text retrieval from large document collections distributed within a structured P2P network. Our indexing strategy is based on two important properties: (1) the generate ...

2009

EPFL Library Link: a Firefox plug-in to increase collection visibility ?

Thomas Guignard

EPFL Library Link is a tool that was originally developed to help subject librarians in their selection process by displaying title availability in the catalog directly on provider web pages and databases. It soon became clear, however, that the real-time ...

2009

Query-driven indexing in large-scale distributed systems

Gleb Skobeltsyn

Efficient and effective search in large-scale data repositories requires complex indexing solutions deployed on a large number of servers. Web search engines such as Google and Yahoo! already rely upon complex systems to be able to return relevant query re ...

EPFL2009

Dynamic Content Web Applications: Crash, Failover, and Recovery Analysis

Willy Zwaenepoel

This work assesses how crashes and recoveries affect the performance of a replicated dynamic content web application. RobustStore is the result of retrofitting TPC-W’s online bookstore with Treplica, a middleware for building dependable applications. Imple ...

2009

User Interface Design in a Just-in-time Retrieval System for Meetings

Andrei Popescu-Belis, Majid Yazdani

The Automatic Content Linking Device (ACLD) is a just-in-time multimedia retrieval system that monitors and supports the conversation among a small group of people within a meeting. The ACLD retrieves from a repository, at regular intervals, information th ...

Idiap2009

Graph Chatbot

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