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ICDE
2009
IEEE
171views Database» more  ICDE 2009»
15 years 9 months ago
CoTS: A Scalable Framework for Parallelizing Frequency Counting over Data Streams
Applications involving analysis of data streams have gained significant popularity and importance. Frequency counting, frequent elements and top-k queries form a class of operato...
Sudipto Das, Shyam Antony, Divyakant Agrawal, Amr ...
DATESO
2007
107views Database» more  DATESO 2007»
15 years 3 months ago
Updating Typed XML Documents Using a Functional Data Model
We address a problem of updating XML documents having their XML schema described by a Document Type Definition (DTD) without breaking their validity. We present a way how to expre...
Pavel Loupal
SIGMOD
2011
ACM
248views Database» more  SIGMOD 2011»
14 years 5 months ago
Llama: leveraging columnar storage for scalable join processing in the MapReduce framework
To achieve high reliability and scalability, most large-scale data warehouse systems have adopted the cluster-based architecture. In this paper, we propose the design of a new clu...
Yuting Lin, Divyakant Agrawal, Chun Chen, Beng Chi...
COSIT
1999
Springer
162views GIS» more  COSIT 1999»
15 years 6 months ago
Terminological Default Reasoning about Spatial Information: A First Step
We extend the theory about terminological default reasoning by using a logical base language that can represent spatioterminological phenomena. Based on this description logic lang...
Ralf Möller, Michael Wessel
WSDM
2012
ACM
325views Data Mining» more  WSDM 2012»
13 years 10 months ago
Coupled temporal scoping of relational facts
Recent research has made significant advances in automatically constructing knowledge bases by extracting relational facts (e.g., Bill Clinton-presidentOf-US) from large text cor...
Partha Pratim Talukdar, Derry Tanti Wijaya, Tom Mi...