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» Discovering Robust Knowledge from Databases that Change
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BMCBI
2010
113views more  BMCBI 2010»
13 years 7 months ago
A classification model for distinguishing copy number variants from cancer-related alterations
Background: Both somatic copy number alterations (CNAs) and germline copy number variants (CNVs) that are prevalent in healthy individuals can appear as recurrent changes in compa...
Irina Ostrovnaya, Gouri Nanjangud, Adam B. Olshen
ER
2006
Springer
112views Database» more  ER 2006»
13 years 11 months ago
A DAG Comparison Algorithm and Its Application to Temporal Data Warehousing
Abstract. We present a new technique for discovering and representing structural changes between two versions of a directed acyclic graph (DAG). Motivated by the necessity of chang...
Johann Eder, Karl Wiggisser
SIGMOD
2004
ACM
184views Database» more  SIGMOD 2004»
14 years 7 months ago
Identifying Similarities, Periodicities and Bursts for Online Search Queries
We present several methods for mining knowledge from the query logs of the MSN search engine. Using the query logs, we build a time series for each query word or phrase (e.g., `Th...
Michail Vlachos, Christopher Meek, Zografoula Vage...
SIGMOD
2001
ACM
134views Database» more  SIGMOD 2001»
14 years 7 months ago
Preservation of Digital Data with Self-Validating, Self-Instantiating Knowledge-Based Archives
Digital archives are dedicated to the long-term preservation of electronic information and have the mandate to enable sustained access despite rapid technology changes. Persistent...
Bertram Ludäscher, Richard Marciano, Reagan Moore
DMSN
2004
ACM
14 years 1 months ago
Active rules for sensor databases
Recent years have witnessed a rapidly growing interest in query processing in sensor and actuator networks. This is mainly due to the increased awareness of query processing as th...
Michael Zoumboulakis, George Roussos, Alexandra Po...