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» Query operations for moving objects database systems
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118
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DEXAW
1997
IEEE
86views Database» more  DEXAW 1997»
15 years 6 months ago
Log-Only Temporal Object Storage
As main memory capacity increases, more of the database read requests will be satis ed from the bu er system. Consequently, the amount of disk write operations relative to disk re...
Kjetil Nørvåg, Kjell Bratbergsengen
117
Voted
VLDB
1994
ACM
114views Database» more  VLDB 1994»
15 years 6 months ago
Including Group-By in Query Optimization
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
Surajit Chaudhuri, Kyuseok Shim
126
Voted
WWW
2007
ACM
16 years 3 months ago
Querying and maintaining a compact XML storage
As XML database sizes grow, the amount of space used for storing the data and auxiliary data structures becomes a major factor in query and update performance. This paper presents...
Raymond K. Wong, Franky Lam, William M. Shui
164
Voted
TKDE
1998
184views more  TKDE 1998»
15 years 2 months ago
Supporting Ranked Boolean Similarity Queries in MARS
To address the emerging needs of applications that require access to and retrieval of multimedia objects, we are developing the Multimedia Analysis and Retrieval System (MARS) 29]...
Michael Ortega, Yong Rui, Kaushik Chakrabarti, Kri...
126
Voted
SSD
2007
Springer
150views Database» more  SSD 2007»
15 years 8 months ago
Online Amnesic Summarization of Streaming Locations
Abstract. Massive data streams of positional updates become increasingly difficult to manage under limited memory resources, especially in terms of providing near real-time respons...
Michalis Potamias, Kostas Patroumpas, Timos K. Sel...