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EDBT
2009
ACM
102views Database» more  EDBT 2009»
16 years 29 days ago
On keys, foreign keys and nullable attributes in relational mapping systems
We consider the following scenario for a mapping system: given a source schema, a target schema, and a set of value correspondences between these two schemas, generate an executab...
Luca Cabibbo
VLDB
2004
ACM
126views Database» more  VLDB 2004»
15 years 11 months ago
ROX: Relational Over XML
An increasing percentage of the data needed by business applications is being generated in XML format. Storing the XML in its native format will facilitate new applications that e...
Alan Halverson, Vanja Josifovski, Guy M. Lohman, H...
VLDB
2001
ACM
121views Database» more  VLDB 2001»
15 years 10 months ago
Weaving Relations for Cache Performance
Relational database systems have traditionally optimzed for I/O performance and organized records sequentially on disk pages using the N-ary Storage Model (NSM) (a.k.a., slotted p...
Anastassia Ailamaki, David J. DeWitt, Mark D. Hill...
DASFAA
2010
IEEE
425views Database» more  DASFAA 2010»
15 years 10 months ago
FlexTable: Using a Dynamic Relation Model to Store RDF Data
Efficient management of RDF data is an important factor in realizing the Semantic Web vision. The existing approaches store RDF data based on triples instead of a relation model. I...
Yan Wang, Xiaoyong Du, Jiaheng Lu, Xiaofang Wang
PKDD
2000
Springer
151views Data Mining» more  PKDD 2000»
15 years 9 months ago
Discovery of Characteristic subgraph Patterns Using Relative Indexing and the Cascade Model
: Relational representation of objects using graphs reveals much information that cannot be obtained by attribute value representations alone. There are already many databases that...
Takashi Okada, Mayumi Oyama