Sciweavers

1611 search results - page 116 / 323
» Supporting Exploratory Queries in Databases
Sort
View
EDBT
2009
ACM
160views Database» more  EDBT 2009»
15 years 8 months ago
Estimating aggregates in time-constrained approximate queries in Oracle
The concept of time-constrained SQL queries was introduced to address the problem of long-running SQL queries. A key approach adopted for supporting time-constrained SQL queries i...
Ying Hu, Seema Sundara, Jagannathan Srinivasan
SSDBM
2007
IEEE
165views Database» more  SSDBM 2007»
15 years 9 months ago
Processing Spatial-Keyword (SK) Queries in Geographic Information Retrieval (GIR) Systems
Location-based information contained in publicly available GIS databases is invaluable for many applications such as disaster response, national infrastructure protection, crime a...
Ramaswamy Hariharan, Bijit Hore, Chen Li, Sharad M...
114
Voted
VLDB
1999
ACM
101views Database» more  VLDB 1999»
15 years 7 months ago
Spatio-Temporal Retrieval with RasDaMan
Database support for multidimensional arrays is an area of growing importance; a variety of highvolume applications such as spatio-temporal data management and statistics/OLAP bec...
Peter Baumann, Andreas Dehmel, Paula Furtado, Rola...
ICDE
2008
IEEE
188views Database» more  ICDE 2008»
16 years 4 months ago
Efficient Aggregate Computation over Data Streams
Abstract-- Cisco's NetFlow Collector (NFC) is a powerful example of a real-world product that supports multiple aggregate queries over a continuous stream of IP flow records. ...
Kanthi Nagaraj, K. V. M. Naidu, Rajeev Rastogi, Sc...
122
Voted
WWW
2010
ACM
15 years 10 months ago
LCA-based selection for XML document collections
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
Georgia Koloniari, Evaggelia Pitoura