269 search results - page 21 / 54 » Indexing text data under space constraints |
CIKM
2008
Springer
13 years 12 months ago
2008
Springer
Topic modeling has been a key problem for document analysis. One of the canonical approaches for topic modeling is Probabilistic Latent Semantic Indexing, which maximizes the join...
SIGIR
2006
ACM
14 years 3 months ago
2006
ACM
Co-occurrence data is quite common in many real applications. Latent Semantic Analysis (LSA) has been successfully used to identify semantic relations in such data. However, LSA c...
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
To carry out work assignments, small groups distributed within a larger enterprise often need to share documents among themselves while shielding those documents from others'...
CORR
2011
Springer
13 years 4 months ago
2011
Springer
The problem of storing a set of strings – a string dictionary – in compact form appears naturally in many cases. While classically it has represented a small part of the whole ...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Due to its considerable ease of use, relational keyword search (R-KWS) has become increasingly popular. Its simplicity, however, comes at the cost of intensive query processing. Sp...