The R*-tree: an efficient and robust access method for points and rectangles
SIGMOD '90 Proceedings of the 1990 ACM SIGMOD international conference on Management of data
CIKM '93 Proceedings of the second international conference on Information and knowledge management
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Multithreaded programming with Pthreads
Multithreaded programming with Pthreads
Direct spatial search on pictorial databases using packed R-trees
SIGMOD '85 Proceedings of the 1985 ACM SIGMOD international conference on Management of data
R-trees: a dynamic index structure for spatial searching
SIGMOD '84 Proceedings of the 1984 ACM SIGMOD international conference on Management of data
The R+-Tree: A Dynamic Index for Multi-Dimensional Objects
VLDB '87 Proceedings of the 13th International Conference on Very Large Data Bases
Semantic Access: Semantic Interface for Querying Databases
VLDB '00 Proceedings of the 26th International Conference on Very Large Data Bases
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With the increasing use of geographical data in real-world applications, Geographic Information Systems (GISs) have recently emerged as a fruitful area for research. Nowadays, a GIS can be combined with World Wide Web (WWW) techniques to provide information to a multitude of users. A high-performance web-based GIS, called TerraFly, has been developed in order to provide web-based GIS accesses to the general public. The design of TerraFly considers three major aspects including system architecture, data structures, and networking. The system architecture utilizes the existing resources to achieve maximum performance by using the “Internally Distributed Multithreading (IDMT)” technique. A spatial access method, semantic R-trees, is used to search an object based on both spatial and semantic information. System performance results are presented and analyzed. Reducing network traffic to achieve faster response to users is also discussed.