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CSREAPSC
2006
15 years 8 months ago
A Chat-bot based Multimodal Virtual Guide for Cultural Heritage Tours
- The use of a PDA with ad-hoc built-in information retrieval functionalities can help people in visiting an historical site in a natural manner instead of traditional audio/visual...
Antonella Santangelo, Agnese Augello, Antonio Gent...
RECSYS
2010
ACM
15 years 7 months ago
Content-based recommendation in social tagging systems
We present and evaluate various content-based recommendation models that make use of user and item profiles defined in terms of weighted lists of social tags. The studied approach...
Iván Cantador, Alejandro Bellogín, D...
CC
2006
Springer
125views System Software» more  CC 2006»
15 years 6 months ago
A tight lower bound for restricted pir protocols
We show that any 1-round 2-server Private Information Retrieval Protocol where the answers are 1-bit long must ask questions that are at least n - 2 bits long, which is nearly equa...
Richard Beigel, Lance Fortnow, William I. Gasarch
SIGIR
2008
ACM
15 years 6 months ago
Re-ranking search results using document-passage graphs
We present a novel passage-based approach to re-ranking documents in an initially retrieved list so as to improve precision at top ranks. While most work on passage-based document...
Michael Bendersky, Oren Kurland
IPM
2002
82views more  IPM 2002»
15 years 6 months ago
Document organization using Kohonen's algorithm
The classi
Vicente P. Guerrero Bote, Félix de Moya Ane...