Sciweavers

10293 search results - page 500 / 2059
» Describing Semistructured Data
Sort
View
146
Voted
KBS
2007
103views more  KBS 2007»
15 years 6 months ago
Eye-tracking for user modeling in exploratory learning environments: An empirical evaluation
In this paper, we describe research on using eye-tracking data for on-line assessment of user meta-cognitive behavior during interaction with an environment for exploration-based ...
Cristina Conati, Christina Merten
260
Voted
ICDE
2008
IEEE
149views Database» more  ICDE 2008»
16 years 8 months ago
Orchid: Integrating Schema Mapping and ETL
This paper describes Orchid, a system that converts declarative mapping specifications into data flow specifications s) and vice versa. Orchid provides an abstract operator model t...
Stefan Dessloch, Mauricio A. Hernández, Rya...
280
Voted
ICDE
1997
IEEE
112views Database» more  ICDE 1997»
16 years 8 months ago
WOL: A Language for Database Transformations and Constraints
The need to transform data between heterogeneous databases arises from a number of critical tasks in data management. These tasks are complicated by schema evolution in the underl...
Susan B. Davidson, Anthony Kosky
SIGMOD
2005
ACM
115views Database» more  SIGMOD 2005»
16 years 7 months ago
Enterprise information integration: successes, challenges and controversies
The goal of EII Systems is to provide uniform access to multiple data sources without having to first loading them into a data warehouse. Since the late 1990's, several EII p...
Alon Y. Halevy, Naveen Ashish, Dina Bitton, Michae...
CISIS
2010
IEEE
16 years 1 months ago
A Multidimensional Array Slicing DSL for Stream Programming
—Stream languages offer a simple multi-core programming model and achieve good performance. Yet expressing data rearrangement patterns (like a matrix block decomposition) in thes...
Pablo de Oliveira Castro, Stéphane Louise, ...