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PVLDB
2010
184views more  PVLDB 2010»
13 years 6 months ago
TimeTrails: A System for Exploring Spatio-Temporal Information in Documents
Spatial and temporal data have become ubiquitous in many application domains such as the Geosciences or life sciences. Sophisticated database management systems are employed to ma...
Jannik Strötgen, Michael Gertz
ECAI
2010
Springer
13 years 6 months ago
From bursty patterns to bursty facts: The effectiveness of temporal text mining for news
Many document collections are by nature dynamic, evolving as the topics or events they describe change. The goal of temporal text mining is to discover bursty patterns and to ident...
Ilija Subasic, Bettina Berendt
IKE
2010
13 years 6 months ago
Active Datawarehouse Loading by Tool Based ETL Procedure
: Over the years, DataWarehousing has gone through a number of evolutions from a relatively simple reporting database to sophisticated analytical applications such as analyzing cus...
Mallikharjuna Reddy V, Sanjay K. Jena
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
14 years 8 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
SIGMOD
2007
ACM
120views Database» more  SIGMOD 2007»
14 years 8 months ago
Xpath on steroids: exploiting relational engines for xpath performance
A lot of research has been conducted by the database community on methods and techniques for efficient XPath processing, with great success. Despite the progress made, significant...
Haris Georgiadis, Vasilis Vassalos