Sciweavers

721 search results - page 62 / 145
» Layered Index Structures in Document Database Systems
Sort
View
140
Voted
GIS
2010
ACM
15 years 2 months ago
Supporting location-based approximate-keyword queries
Many Web sites support keyword search on their spatial data, such as business listings and photos. In these systems, inconsistencies and errors can exist in both queries and the d...
Sattam Alsubaiee, Alexander Behm, Chen Li
105
Voted
WWW
2005
ACM
16 years 4 months ago
Automatically learning document taxonomies for hierarchical classification
While several hierarchical classification methods have been applied to web content, such techniques invariably rely on a pre-defined taxonomy of documents. We propose a new techni...
Kunal Punera, Suju Rajan, Joydeep Ghosh
146
Voted
CIKM
2004
Springer
15 years 9 months ago
Processing content-oriented XPath queries
Document-centric XML collections contain text-rich documents, marked up with XML tags that add lightweight semantics to the text. Querying such collections calls for a hybrid quer...
Börkur Sigurbjörnsson, Jaap Kamps, Maart...
VLDB
2012
ACM
360views Database» more  VLDB 2012»
13 years 11 months ago
An adaptive updating protocol for reducing moving object database workload
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
Su Chen, Beng Chin Ooi, Zhenjie Zhang
200
Voted
CORR
2012
Springer
292views Education» more  CORR 2012»
13 years 11 months ago
Optimal Threshold Control by the Robots of Web Search Engines with Obsolescence of Documents
A typical web search engine consists of three principal parts: crawling engine, indexing engine, and searching engine. The present work aims to optimize the performance of the cra...
Konstantin Avrachenkov, Alexander N. Dudin, Valent...