327 search results - page 47 / 66 » Efficiently querying rdf data in triple stores |
PRIS
2004
13 years 10 months ago
2004
Similarity search in time series databases is an important research direction. Several methods have been proposed in order to provide algorithms for efficient query processing in t...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
VLDB
2004
ACM
14 years 8 months ago
2004
ACM
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
IDEAS
1999
IEEE
14 years 27 days ago
1999
IEEE
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
Given a set of multidimensional data points, skyline query retrieves a set of data points that are not dominated by any other points. This query is useful for multi-preference ana...