Sciweavers

135 search results - page 20 / 27
» Basis of a Partially Informed Distributed Database
Sort
View
CIKM
1998
Springer
14 years 10 hour ago
Selectivity Estimation of Window Queries
Despite of the fact that large line segment datasets are appearing more and more frequently in numerous applications involving spatial data, such as GIS 8, 9] multimedia 6] and ev...
Guido Proietti, Christos Faloutsos
SIGIR
2005
ACM
14 years 1 months ago
Boosted decision trees for word recognition in handwritten document retrieval
Recognition and retrieval of historical handwritten material is an unsolved problem. We propose a novel approach to recognizing and retrieving handwritten manuscripts, based upon ...
Nicholas R. Howe, Toni M. Rath, R. Manmatha
JCDL
2009
ACM
130views Education» more  JCDL 2009»
14 years 2 months ago
Whetting the appetite of scientists: producing summaries tailored to the citation context
The amount of scientific material available electronically is forever increasing. This makes reading the published literature, whether to stay up-to-date on a topic or to get up ...
Stephen Wan, Cécile Paris, Robert Dale
VLDB
2004
ACM
137views Database» more  VLDB 2004»
14 years 1 months ago
Schema-Free XQuery
The widespread adoption of XML holds out the promise that document structure can be exploited to specify precise database queries. However, the user may have only a limited knowle...
Yunyao Li, Cong Yu, H. V. Jagadish
PODS
2007
ACM
159views Database» more  PODS 2007»
14 years 8 months ago
Generalized hypertree decompositions: np-hardness and tractable variants
The generalized hypertree width GHW(H) of a hypergraph H is a measure of its cyclicity. Classes of conjunctive queries or constraint satisfaction problems whose associated hypergr...
Georg Gottlob, Thomas Schwentick, Zoltán Mi...