SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
It has recently been asserted that the usability of a database is as important as its capability. Understanding the database schema, the hidden relationships among attributes in t...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
User generated content and social media (in the form of blogs, wikis, online video, microblogs, etc) are proliferating online. Grapevine conducts large scale data analysis on the ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
On script-generated web sites, many documents share common HTML tree structure, allowing wrappers to effectively extract information of interest. Of course, the scripts and thus ...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Mobile communication data analysis has been often used as a background application to motivate many data mining problems. However, very few data mining researchers have a chance t...
SIGMOD
2009
ACM
15 years 20 days ago
2009
ACM
Named entity recognition aims at extracting named entities from unstructured text. A recent trend of named entity recognition is finding approximate matches in the text with respe...
SIGMOD
2009
ACM
15 years 20 days ago
2009
ACM
Most information extraction (IE) approaches have considered only static text corpora, over which we apply IE only once. Many real-world text corpora however are dynamic. They evol...