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APAL
1999
70views more  APAL 1999»
14 years 9 months ago
A Geometric Consequence of Residual Smallness
We describe a new way to construct large subdirectly irreducibles within an equational class of algebras. We use this construction to show that there are forbidden geometries of m...
Keith A. Kearnes, Emil W. Kiss, Matthew Valeriote
CORR
1999
Springer
83views Education» more  CORR 1999»
14 years 9 months ago
Cascaded Grammatical Relation Assignment
In this paper we discuss cascaded MemoryBased grammatical relations assignment. In the rst stages of the cascade, we nd chunks of several types (NP,VP,ADJP,ADVP,PP) and label them...
Sabine Buchholz, Jorn Veenstra, Walter Daelemans
DOLAP
1999
ACM
15 years 2 months ago
Characterization of Hierarchies and Some Operators in OLAP Environment
Recently numerous proposals for modelling and querying Multidimensional Databases (MDDB) are proposed. Among the still open problems there is a rigorous classification of the diff...
Elaheh Pourabbas, Maurizio Rafanelli
DEXAW
1999
IEEE
85views Database» more  DEXAW 1999»
15 years 2 months ago
XViews: XML Views of Relational Schemas
The Mediation of Information using XML (MIX) project is a joint effort between the the San Diego Supercomputer Center (SDSC) and the Database Lab at the University of California S...
Chaitanya K. Baru
SIGGRAPH
1999
ACM
15 years 2 months ago
Tracing Ray Differentials
Antialiasing of ray traced images is typically performed by supersampling the image plane. While this type of filtering works well for many algorithms, it is much more efficient t...
Homan Igehy