269 search results - page 19 / 54 » Indexing text data under space constraints |
SIGIR
2011
ACM
13 years 21 days ago
2011
ACM
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...
IPM
2002
13 years 9 months ago
2002
This paper proposes a new approach for classifying text documents into two disjoint classes. The new approach is based on extracting patterns, in the form of two logical expressio...
ICDM
2007
IEEE
14 years 4 months ago
2007
IEEE
Probabilistic latent semantic indexing (PLSI) represents documents of a collection as mixture proportions of latent topics, which are learned from the collection by an expectation...
ADVIS
2006
Springer
14 years 3 months ago
2006
Springer
Recently many researchers have focused on management of historical trajectories of moving objects due to numerous size of accumulated data over time. However, most of them are conc...
KDD
2008
ACM
14 years 10 months ago
2008
ACM
Pattern discovery in sequences is an important problem in many applications, especially in computational biology and text mining. However, due to the noisy nature of data, the tra...