41 search results - page 7 / 9 » Tight Lower Bounds for Query Processing on Streaming and Ext... |
ICDE
2012
IEEE
11 years 8 months ago
2012
IEEE
—“Big Data” in map-reduce (M-R) clusters is often fundamentally temporal in nature, as are many analytics tasks over such data. For instance, display advertising uses Behavio...
DEXA
2009
Springer
14 years 16 days ago
2009
Springer
Metric access methods (MAMs) serve as a tool for speeding similarity queries. However, all MAMs developed so far are index-based; they need to build an index on a given database. T...
SIGMOD
2004
ACM
14 years 6 months ago
2004
ACM
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
DKE
2008
13 years 6 months ago
2008
We study an important data analysis operator, which extracts the k most important groups from data (i.e., the k groups with the highest aggregate values). In a data warehousing co...
DATAMINE
2006
13 years 6 months ago
2006
Clipping is the process of transforming a real valued series into a sequence of bits representing whether each data is above or below the average. In this paper, we argue that clip...