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SIGIR
2011
ACM
14 years 4 months ago
Inverted indexes for phrases and strings
Inverted indexes are the most fundamental and widely used data structures in information retrieval. For each unique word occurring in a document collection, the inverted index sto...
Manish Patil, Sharma V. Thankachan, Rahul Shah, Wi...
CHI
2009
ACM
16 years 2 months ago
Bringing web 2.0 to government research: a case study
DASHlink is a public NASA research collaboration website. Web 2.0 style content generation and social software technologies along with a communitymoderated posting policy make it ...
Francesca A. Barrientos, Elizabeth A. Foughty, Daw...
ECIR
2009
Springer
15 years 11 months ago
Split and Merge Based Story Segmentation in News Videos
Abstract. Segmenting videos into smaller, semantically related segments which ease the access of the video data is a challenging open research. In this paper, we present a scheme f...
Anuj Goyal, P. Punitha, Frank Hopfgartner, Joemon ...
CIKM
2009
Springer
15 years 8 months ago
Text segmentation via topic modeling: an analytical study
In this paper, the task of text segmentation is approached from a topic modeling perspective. We investigate the use of latent Dirichlet allocation (LDA) topic model to segment a ...
Hemant Misra, François Yvon, Joemon M. Jose...
FC
2009
Springer
121views Cryptology» more  FC 2009»
15 years 8 months ago
Achieving Privacy in a Federated Identity Management System
Federated identity management allows a user to efficiently authenticate and use identity information from data distributed across multiple domains. The sharing of data across domai...
Susan Landau, Hubert Lê Van Gông, Robi...