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» Data Quality in the Database Systems Course
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EFDBS
2003
13 years 8 months ago
Four-Level-Architecture for Closure in Interoperability
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...
B. Nick Rossiter, Michael A. Heather
EDBT
2011
ACM
256views Database» more  EDBT 2011»
12 years 11 months ago
RanKloud: a scalable ranked query processing framework on hadoop
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...
K. Selçuk Candan, Parth Nagarkar, Mithila N...
ICDE
2007
IEEE
133views Database» more  ICDE 2007»
14 years 8 months ago
Preference-Aware Query and Update Scheduling in Web-databases
Typical web-database systems receive read-only queries, that generate dynamic web pages as a response, and writeonly updates, that keep information up-to-date. Users expect short ...
Huiming Qu, Alexandros Labrinidis
SIGMOD
2002
ACM
137views Database» more  SIGMOD 2002»
13 years 7 months ago
Partial results for online query processing
Traditional query processors generate full, accurate query results, either in batch or in pipelined fashion. We argue that this strict model is too rigid for exploratory queries o...
Vijayshankar Raman, Joseph M. Hellerstein
ACMICEC
2007
ACM
168views ECommerce» more  ACMICEC 2007»
13 years 11 months ago
Designing novel review ranking systems: predicting the usefulness and impact of reviews
With the rapid growth of the Internet, users' ability to publish content has created active electronic communities that provide a wealth of product information. Consumers nat...
Anindya Ghose, Panagiotis G. Ipeirotis