454 search results - page 51 / 91 » SPARQL Query Processing with Conventional Relational Databas... |
CIKM
2010
Springer
14 years 9 months ago
2010
Springer
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
83
Voted
SIGMOD
2010
ACM
15 years 3 months ago
2010
ACM
Many advanced data management operations (e.g., incremental maintenance, trust assessment, debugging schema mappings, keyword search over databases, or query answering in probabil...
153
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SIGMOD
2009
ACM
15 years 11 months ago
2009
ACM
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
175
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VLDB
2002
ACM
15 years 11 months ago
2002
ACM
Abstract. Several alternatives to manage large XML document collections exist, ranging from file systems over relational or other database systems to specifically tailored XML base...
193
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GIS
2004
ACM
16 years 4 days ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...