Sciweavers

VLDB
2002
ACM
103views Database» more  VLDB 2002»
13 years 7 months ago
Wireless Graffiti - Data, Data Everywhere Matters
Tomasz Imielinski, B. R. Badrinath
VLDB
2002
ACM
91views Database» more  VLDB 2002»
13 years 7 months ago
Parametric Query Optimization for Linear and Piecewise Linear Cost Functions
The cost of a query plan depends on many parameters, such as predicate selectivities and available memory, whose values may not be known at optimization time. Parametric query opt...
Arvind Hulgeri, S. Sudarshan
VLDB
2002
ACM
84views Database» more  VLDB 2002»
13 years 7 months ago
Advanced Database Technologies in a Diabetic Healthcare System
With the increased emphasis on healthcare worldwide, the issue of being able to efficiently and effectively manage large amount of patient information in diverse medium becomes cr...
Wynne Hsu, Mong-Li Lee, Beng Chin Ooi, Pranab Kuma...
VLDB
2002
ACM
264views Database» more  VLDB 2002»
13 years 7 months ago
Viator - A Tool Family for Graphical Networking and Data View Creation
Web-based data sources, particularly in Life Sciences, grow in diversity and volume. Most of the data collections are equipped with common document search, hyperlink and retrieval...
Stephan Heymann, Katja Tham, Axel Kilian, Gunnar W...
VLDB
2002
ACM
83views Database» more  VLDB 2002»
13 years 7 months ago
Searching on the Secondary Structure of Protein Sequences
In spite of the many decades of progress in database research, surprisingly scientists in the life sciences community still struggle with inefficient and awkward tools for queryin...
Laurie Hammel, Jignesh M. Patel
VLDB
2002
ACM
106views Database» more  VLDB 2002»
13 years 7 months ago
Efficient Algorithms for Processing XPath Queries
Our experimental analysis of several popular XPath processors reveals a striking fact: Query evaluation in each of the systems requires time exponential in the size of queries in ...
Georg Gottlob, Christoph Koch, Reinhard Pichler
VLDB
2002
ACM
198views Database» more  VLDB 2002»
13 years 7 months ago
A New Passenger Support System for Public Transport using Mobile Database Access
We have been developing a mobile passenger support system for public transport. Passengers can make their travel plans and purchase necessary tickets by accessing databases via th...
Koichi Goto, Yahiko Kambayashi
VLDB
2002
ACM
95views Database» more  VLDB 2002»
13 years 7 months ago
How to Summarize the Universe: Dynamic Maintenance of Quantiles
Anna C. Gilbert, Yannis Kotidis, S. Muthukrishnan,...
VLDB
2002
ACM
126views Database» more  VLDB 2002»
13 years 7 months ago
Plan Selection Based on Query Clustering
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
Antara Ghosh, Jignashu Parikh, Vibhuti S. Sengar, ...
VLDB
2002
ACM
122views Database» more  VLDB 2002»
13 years 7 months ago
Lightweight Flexible Isolation for Language-based Extensible Systems
Safe programming languages encourage the development of dynamically extensible systems, such as extensible Web servers and mobile agent platforms. Although protection is of utmost...
Laurent Daynès, Grzegorz Czajkowski