287 search results - page 6 / 58 » Optimization Techniques for Queries with Expensive Methods |
ECIR
2007
Springer
13 years 8 months ago
2007
Springer
Automated text categorisation systems learn a generalised hypothesis from large numbers of labelled examples. However, in many domains labelled data is scarce and expensive to obta...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Recent years witnessed an increasing interest in researches in XML, partly due to the fact that XML has now become the de facto standard for data interchange over the internet. A ...
ICTAI
2008
IEEE
14 years 1 months ago
2008
IEEE
Unlike simple questions, complex questions cannot be answered by simply extracting named entities. These questions require inferencing and synthesizing information from multiple d...
AAAI
1998
13 years 8 months ago
1998
Probabilistic models have recently been utilized for the optimization of large combinatorial search problems. However, complex probabilistic models that attempt to capture interpa...
VLDB
2005
ACM
14 years 25 days ago
2005
ACM
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...