427 search results - page 38 / 86 » Conjunctive Query Answering in EL using a Database System |
SIGMOD
2008
ACM
13 years 8 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
SIGMOD
2012
ACM
11 years 11 months ago
2012
ACM
How-To queries answer fundamental data analysis questions of the form: “How should the input change in order to achieve the desired output”. As a Reverse Data Management probl...
CIMCA
2008
IEEE
14 years 3 months ago
2008
IEEE
In this article we focus on the presentation of the inner structure of the database for the Content-Based Image Retrieval (CBIR) system containing house images. The part devoted t...
ADBIS
2000
Springer
14 years 1 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...