Sciweavers

1196 search results - page 60 / 240
» Keyword Search on Spatial Databases
Sort
View
ICDE
2006
IEEE
164views Database» more  ICDE 2006»
14 years 9 months ago
Nearest Surrounder Queries
In this paper, we study a new type of spatial query, Nearest Surrounder (NS), which searches the nearest surrounding spatial objects around a query point. NS query can be more use...
Ken C. K. Lee, Wang-Chien Lee, Hong Va Leong
SIGMOD
2008
ACM
214views Database» more  SIGMOD 2008»
14 years 8 months ago
A graph method for keyword-based selection of the top-K databases
While database management systems offer a comprehensive solution to data storage, they require deep knowledge of the schema, as well as the data manipulation language, in order to...
Quang Hieu Vu, Beng Chin Ooi, Dimitris Papadias, A...
AGILE
2007
Springer
184views GIS» more  AGILE 2007»
14 years 2 months ago
Towards Spatial Reasoning in the Semantic Web: A Hybrid Knowledge Representation System Architecture
Environmental databases store a wide variety of data from heterogeneous sources which are described with domain-specific terminologies and refer to distinct locations. In order to ...
Rolf Grütter, Bettina Bauer-Messmer
GIS
2005
ACM
14 years 9 months ago
ASPEN: an adaptive spatial peer-to-peer network
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku
ISMIS
1997
Springer
14 years 7 days ago
Knowledge-Based Image Retrieval with Spatial and Temporal Constructs
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
Wesley W. Chu, Alfonso F. Cardenas, Ricky K. Taira