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» Containment of Aggregate Queries
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SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
14 years 10 months ago
Semantics and Evaluation Techniques for Window Aggregates in Data Streams
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
Jin Li, David Maier, Kristin Tufte, Vassilis Papad...
SIGMOD
2010
ACM
236views Database» more  SIGMOD 2010»
14 years 3 months ago
Differentially private aggregation of distributed time-series with transformation and encryption
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
Vibhor Rastogi, Suman Nath
EDBT
2009
ACM
116views Database» more  EDBT 2009»
14 years 2 months ago
Ranking objects based on relationships and fixed associations
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
Albert Angel, Surajit Chaudhuri, Gautam Das, Nick ...
ADC
1994
Springer
103views Database» more  ADC 1994»
14 years 2 months ago
A Query Language for EER Schemas
We present a proposed query language for extended entity relationship schemas. The language improves on previous proposals by using only concepts explicitly in a given schema. It ...
Michael Lawley, Rodney W. Topor
ESORICS
2009
Springer
14 years 11 months ago
Super-Efficient Aggregating History-Independent Persistent Authenticated Dictionaries
Authenticated dictionaries allow users to send lookup requests to an untrusted server and get authenticated answers. Persistent authenticated dictionaries (PADs) add queries agains...
Scott A. Crosby, Dan S. Wallach