2095 search results - page 65 / 419 » Modeling and Querying Semi-structured Data |
SIGMOD
2000
ACM
15 years 2 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
SIGIR
2002
ACM
14 years 9 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
DASFAA
2007
IEEE
15 years 4 months ago
2007
IEEE
As large-scale sensor networks are being deployed with the objective of collecting quality data to support user queries and decision-making, the role of a scalable query model beco...
SIGMOD
2002
ACM
14 years 9 months ago
2002
ACM
Traditional query processors generate full, accurate query results, either in batch or in pipelined fashion. We argue that this strict model is too rigid for exploratory queries o...
NAACL
2010
14 years 7 months ago
2010
The goal of this work is to integrate query similarity metrics as features into a dense model that can be trained on large amounts of query log data, in order to rank query rewrit...