Sciweavers

485 search results - page 79 / 97
» Processing complex aggregate queries over data streams
Sort
View
DKE
2008
109views more  DKE 2008»
15 years 16 days ago
Deterministic algorithms for sampling count data
Processing and extracting meaningful knowledge from count data is an important problem in data mining. The volume of data is increasing dramatically as the data is generated by da...
Hüseyin Akcan, Alex Astashyn, Hervé Br...
105
Voted
ICDT
1995
ACM
96views Database» more  ICDT 1995»
15 years 4 months ago
On Two Forms of Structural Recursion
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...
Dan Suciu, Limsoon Wong
135
Voted
KDD
2012
ACM
244views Data Mining» more  KDD 2012»
13 years 2 months ago
Open domain event extraction from twitter
Tweets are the most up-to-date and inclusive stream of information and commentary on current events, but they are also fragmented and noisy, motivating the need for systems that c...
Alan Ritter, Mausam, Oren Etzioni, Sam Clark
120
Voted
PPOPP
2006
ACM
15 years 6 months ago
On-line automated performance diagnosis on thousands of processes
Performance analysis tools are critical for the effective use of large parallel computing resources, but existing tools have failed to address three problems that limit their scal...
Philip C. Roth, Barton P. Miller
132
Voted
SIGMOD
2012
ACM
222views Database» more  SIGMOD 2012»
13 years 2 months ago
Tiresias: a demonstration of how-to queries
In this demo, we will present Tiresias, the first how-to query engine. How-to queries represent fundamental data analysis questions of the form: “How should the input change in...
Alexandra Meliou, Yisong Song, Dan Suciu