239 search results - page 30 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...
ICDE
1993
IEEE
13 years 11 months ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Dataspaces are collections of heterogeneous and partially unstructured data. Unlike data-integration systems that also offer uniform access to heterogeneous data sources, dataspac...