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SIGMOD
2004
ACM
100views Database» more  SIGMOD 2004»
14 years 11 months ago
Cost-Based Labeling of Groups of Mass Spectra
We make two main contributions in this paper. First, we motivate and introduce a novel class of data mining problems that arise in labeling a group of mass spectra, specifically f...
Lei Chen 0003, Zheng Huang, Raghu Ramakrishnan
SIGMOD
2004
ACM
124views Database» more  SIGMOD 2004»
14 years 11 months ago
BLAS: An Efficient XPath Processing System
We present BLAS , a Bi-LAbeling based System, for efficiently processing complex XPath queries over XML data. BLAS uses Plabeling to process queries involving consecutive child ax...
Yi Chen, Susan B. Davidson, Yifeng Zheng
SIGMOD
2004
ACM
118views Database» more  SIGMOD 2004»
14 years 11 months ago
Effective Use of Block-Level Sampling in Statistics Estimation
Block-level sampling is far more efficient than true uniform-random sampling over a large database, but prone to significant errors if used to create database statistics. In this ...
Surajit Chaudhuri, Gautam Das, Utkarsh Srivastava
SIGMOD
2004
ACM
123views Database» more  SIGMOD 2004»
14 years 11 months ago
Automatic Categorization of Query Results
Exploratory ad-hoc queries could return too many answers ? a phenomenon commonly referred to as "information overload". In this paper, we propose to automatically catego...
Kaushik Chakrabarti, Surajit Chaudhuri, Seung-won ...
SIGMOD
2004
ACM
116views Database» more  SIGMOD 2004»
14 years 11 months ago
Efficient Development of Data Migration Transformations
Paulo J. F. Carreira, Helena Galhardas
SIGMOD
2004
ACM
209views Database» more  SIGMOD 2004»
14 years 11 months ago
MAIDS: Mining Alarming Incidents from Data Streams
Real-time surveillance systems, network and telecommunication systems, and other dynamic processes often generate tremendous (potentially infinite) volume of stream data. Effectiv...
Y. Dora Cai, David Clutter, Greg Pape, Jiawei Han,...
SIGMOD
2004
ACM
142views Database» more  SIGMOD 2004»
14 years 11 months ago
Conditional Selectivity for Statistics on Query Expressions
Cardinality estimation during query optimization relies on simplifying assumptions that usually do not hold in practice. To diminish the impact of inaccurate estimates during opti...
Nicolas Bruno, Surajit Chaudhuri
SIGMOD
2004
ACM
107views Database» more  SIGMOD 2004»
14 years 11 months ago
Declarative Specification of Web Applications exploiting Web Services and Workflows
This demo presents an extension of a declarative language for specifying data-intensive Web applications. We demonstrate a scenario extracted from a real-life application, the Web...
Marco Brambilla, Stefano Ceri, Sara Comai, Marco D...
SIGMOD
2004
ACM
116views Database» more  SIGMOD 2004»
14 years 11 months ago
Optimization of Query Streams Using Semantic Prefetching
Ivan T. Bowman, Kenneth Salem
SIGMOD
2004
ACM
128views Database» more  SIGMOD 2004»
14 years 11 months ago
A TeXQuery-Based XML Full-Text Search Engine
We demonstrate an XML full-text search engine that implements the TeXQuery language. TeXQuery is a powerful fulltext search extension to XQuery that provides a rich set of fully c...
Chavdar Botev, Jayavel Shanmugasundaram, Sihem Ame...