210 search results - page 2 / 42 » Efficient and Expressive Tree Filters |
JOLLI
2006
13 years 7 months ago
2006
We examine the expressive power of probabilistic context free grammars (PCFGs), with a special focus on the use of probabilities as a mechanism for reducing ambiguity by filtering ...
ICDE
2003
IEEE
14 years 8 months ago
2003
IEEE
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
DEXA
2008
Springer
13 years 9 months ago
2008
Springer
Information filtering systems constitute a critical component in modern information seeking applications. As the number of users grows and the information available becomes even bi...
TIP
2008
13 years 7 months ago
2008
The present paper contributes two novel techniques in the context of image restoration by nonlocal filtering. Firstly, we introduce an efficient implementation of the nonlocal mean...