790 search results - page 157 / 158 » A syntactically-based query reformulation technique for info... |
CIKM
2008
Springer
13 years 8 months ago
2008
Springer
Most prior work on information extraction has focused on extracting information from text in digital documents. However, often, the most important information being reported in an...
ICDE
2007
IEEE
14 years 7 months ago
2007
IEEE
It is widely realized that the integration of database and information retrieval techniques will provide users with a wide range of high quality services. In this paper, we study ...
ICDE
2005
IEEE
14 years 7 months ago
2005
IEEE
Many scientific applications generate massive volumes of data through observations or computer simulations, bringing up the need for effective indexing methods for efficient stora...
KDD
2007
ACM
14 years 6 months ago
2007
ACM
Summarization is an important task in data mining. A major challenge over the past years has been the efficient construction of fixed-space synopses that provide a deterministic q...
PKDD
2005
Springer
13 years 11 months ago
2005
Springer
We consider a problem of elastic matching of time series. We propose an algorithm that automatically determines a subsequence b of a target time series b that best matches a query ...