Sciweavers

1388 search results - page 71 / 278
» Querying Linguistic Trees
Sort
View
COMSIS
2010
14 years 10 months ago
MFI-tree: An effective multi-feature index structure for weighted query application
Multi-Feature Index Tree (MFI-Tree), a new indexing structure, is proposed to index multiple high-dimensional features of video data for video retrieval through example. MFI-Tree e...
Yunfeng He, Junqing Yu
108
Voted
ICDM
2005
IEEE
217views Data Mining» more  ICDM 2005»
15 years 6 months ago
Improving Automatic Query Classification via Semi-Supervised Learning
Accurate topical classification of user queries allows for increased effectiveness and efficiency in general-purpose web search systems. Such classification becomes critical if th...
Steven M. Beitzel, Eric C. Jensen, Ophir Frieder, ...
118
Voted
SBBD
2004
106views Database» more  SBBD 2004»
15 years 1 months ago
Twisting the Metric Space to Achieve Better Metric Trees
In order to index text fields in XML databases for similarity queries, M-Trees may be applied. However, some datasets experiments using M-Trees for this purpose resulted in low qu...
César Feijó Nadvorny, Carlos A. Heus...
103
Voted
BIBM
2008
IEEE
144views Bioinformatics» more  BIBM 2008»
15 years 7 months ago
PhyQL: A Web-Based Phylogenetic Visual Query Engine
Biologists are often interested to query published phylogenetic data for research purposes. PhyQL, a web-based visual phylogenetic query engine, can be quite useful on this regard...
Shahriyar Hossain, Munirul Islam, Jesmin, Hasan M....
JCSS
2007
107views more  JCSS 2007»
15 years 14 days ago
On the minimization of XML Schemas and tree automata for unranked trees
Automata for unranked trees form a foundation for XML schemas, querying and pattern languages. We study the problem of efficiently minimizing such automata. First, we study unrank...
Wim Martens, Joachim Niehren