1832 search results - page 47 / 367 » Querying RDF Data Using A Multigraph-based Approach |
148
Voted
IEAAIE
2009
Springer
15 years 9 months ago
2009
Springer
In this paper, we propose to apply an NA-tree in the Chord system to encode spatial region data in the data key part used in the hash function to data search. That is, we combine t...
147
Voted
SAC
2011
ACM
14 years 5 months ago
2011
ACM
Data stream management systems (DSMSs) process continuous queries over streaming data in real-time adhering to quality of service requirements. The data streams generated from sen...
143
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RTCSA
2007
IEEE
15 years 8 months ago
2007
IEEE
RFID middleware systems collect and filter RFID streaming data gathered continuously by numerous readers to process requests from applications. These requests are called continuou...
196
Voted
SIGMOD
2005
ACM
16 years 2 months ago
2005
ACM
Window queries are proving essential to data-stream processing. In this paper, we present an approach for evaluating sliding-window aggregate queries that reduces both space and c...
118
Voted
VLDB
2004
ACM
15 years 8 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...