Sciweavers

5638 search results - page 60 / 1128
» On presence
Sort
View
VLDB
2009
ACM
151views Database» more  VLDB 2009»
16 years 6 months ago
Containment of partially specified tree-pattern queries in the presence of dimension graphs
Dimitri Theodoratos, Pawel Placek, Theodore Dalama...
SIGMOD
2008
ACM
206views Database» more  SIGMOD 2008»
16 years 6 months ago
Ad-hoc aggregations of ranked lists in the presence of hierarchies
A variety of web sites and web based services produce textual lists at varying time granularities ranked according to several criteria. For example, Google Trends produces lists o...
Nilesh Bansal, Sudipto Guha, Nick Koudas
152
Voted
PODS
2001
ACM
85views Database» more  PODS 2001»
16 years 6 months ago
On XML Integrity Constraints in the Presence of DTDs
The paper investigates XML document speci cations with DTDs and integrity constraints, such as keysand foreign keys. We study the consistency problem of checking whether a given s...
Wenfei Fan, Leonid Libkin
EDBT
2006
ACM
120views Database» more  EDBT 2006»
16 years 6 months ago
Query Planning in the Presence of Overlapping Sources
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
Jens Bleiholder, Samir Khuller, Felix Naumann, Lou...
DCC
2010
IEEE
16 years 1 months ago
On the Systematic Measurement Matrix for Compressed Sensing in the Presence of Gross Errors
Inspired by syndrome source coding using linear error-correcting codes, we explore a new form of measurement matrix for compressed sensing. The proposed matrix is constructed in t...
Zhi Li, Feng Wu, John Wright