124 search results - page 8 / 25 » PiQA: An Algebra for Querying Protein Data Sets |
ADBIS
2004
Springer
14 years 22 days ago
2004
Springer
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...
ICDT
1995
ACM
13 years 11 months ago
1995
ACM
We investigate and compare two forms of recursion on sets for querying nested collections. The rst one is called sri and it corresponds to sequential processing of data. The second...
ADL
2000
Springer
13 years 11 months ago
2000
Springer
Digital libraries are a core information technology. When the stored data is complex, e.g. high-resolution images or molecular protein structures, simple query types like the exac...
LICS
2002
IEEE
14 years 7 days ago
2002
IEEE
We study relations on trees defined by first-order constraints over a vocabulary that includes the tree extension relation Ì Ì ¼, holding if and only if every branch of Ì ex...
BMCBI
2008
13 years 7 months ago
2008
Background: For many types of analyses, data about gene structure and locations of non-coding regions of genes are required. Although a vast amount of genomic sequence data is ava...