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EON
2003
13 years 11 months ago
An Ontology-Driven Application to Improve the Prescription of Educational Resources to Parents of Premature Infants
CST’s Baby CareLink provides a ‘collaborative healthware’ environment for parents of premature infants that incorporates just-in-time learning as one means of knowledge explo...
Howard Goldberg, Alfredo Morales, David MacMillan,...
DKE
2008
79views more  DKE 2008»
13 years 10 months ago
Extracting k most important groups from data efficiently
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...
Man Lung Yiu, Nikos Mamoulis, Vagelis Hristidis
ICDE
2008
IEEE
336views Database» more  ICDE 2008»
14 years 11 months ago
Dominant Graph: An Efficient Indexing Structure to Answer Top-K Queries
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
Lei Zou, Lei Chen 0002
ICDE
2006
IEEE
201views Database» more  ICDE 2006»
14 years 11 months ago
Counting at Large: Efficient Cardinality Estimation in Internet-Scale Data Networks
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...
Nikos Ntarmos, Peter Triantafillou, Gerhard Weikum
ICDE
2003
IEEE
209views Database» more  ICDE 2003»
14 years 11 months ago
An Evaluation of Regular Path Expressions with Qualifiers against XML Streams
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
Dan Olteanu, François Bry, Tobias Kiesling