Sciweavers

404 search results - page 62 / 81
» Ontology-Based Spatial Query Expansion in Information Retrie...
Sort
View
ICDE
2000
IEEE
161views Database» more  ICDE 2000»
15 years 1 months ago
Efficient Query Refinement in Multimedia Databases
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects...
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Me...
MASS
2010
157views Communications» more  MASS 2010»
14 years 7 months ago
Spatial extension of the Reality Mining Dataset
Data captured from a live cellular network with the real users during their common daily routine help to understand how the users move within the network. Unlike the simulations wi...
Michal Ficek, Lukas Kencl
CIKM
2005
Springer
15 years 3 months ago
Implicit user modeling for personalized search
Information retrieval systems (e.g., web search engines) are critical for overcoming information overload. A major deficiency of existing retrieval systems is that they generally...
Xuehua Shen, Bin Tan, ChengXiang Zhai
IPM
2007
85views more  IPM 2007»
14 years 9 months ago
A retrospective study of a hybrid document-context based retrieval model
This paper describes our novel retrieval model that is based on contexts of query terms in documents (i.e., document contexts). Our model is novel because it explicitly takes into...
Ho Chung Wu, Robert W. P. Luk, Kam-Fai Wong, K. L....
SIGMOD
2008
ACM
205views Database» more  SIGMOD 2008»
15 years 9 months ago
Monochromatic and bichromatic reverse skyline search over uncertain databases
Reverse skyline queries over uncertain databases have many important applications such as sensor data monitoring and business planning. Due to the existence of uncertainty in many...
Xiang Lian, Lei Chen 0002