239 search results - page 9 / 48 » Performance of Querying Temporal Attributes in Object-Relati... |
CIKM
2010
Springer
13 years 6 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...
ADBIS
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. Set-valued attributes are convenient to model complex objects occurring in the real world. Currently available database systems support the storage of set-valued attribut...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
The association of timestamps with various data items such as tuples or attribute values is fundamental to the management of time-varying information. Using intervals in timestamp...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...