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» Efficient Evaluation of All-Nearest-Neighbor Queries
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DEBU
2008
125views more  DEBU 2008»
15 years 6 months ago
Querying XML in Timber
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...
Yuqing Wu, Stelios Paparizos, H. V. Jagadish
EDBT
2006
ACM
194views Database» more  EDBT 2006»
16 years 6 months ago
On Concurrency Control in Sliding Window Queries over Data Streams
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
Lukasz Golab, Kumar Gaurav Bijay, M. Tamer Öz...
SIGMOD
2009
ACM
133views Database» more  SIGMOD 2009»
16 years 6 months ago
Hierarchical result views for keyword queries over relational databases
Enabling keyword queries over relational databases (KQDB) benefits a large population of users who have difficulty in understanding the database schema or using SQLs. However, sin...
Shiyuan Wang, Jun'ichi Tatemura, Arsany Sawires, O...
EDBT
2006
ACM
255views Database» more  EDBT 2006»
16 years 6 months ago
FIS-by-Step: Visualization of the Fast Index Scan for Nearest Neighbor Queries
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
Elke Achtert, Dominik Schwald
VLDB
2005
ACM
123views Database» more  VLDB 2005»
16 years 6 months ago
Querying XML streams
Efficient querying of XML streams will be one of the fundamental features of next-generation information systems. In this paper we propose the TurboXPath path processor, which acce...
Vanja Josifovski, Marcus Fontoura, Attila Barta