Sciweavers

ICMLA
2008
14 years 1 months ago
Probabilistic Exploitation of the Lucas and Kanade Smoothness Constraint
The basic idea of Lucas and Kanade is to constrain the local motion measurement by assuming a constant velocity within a spatial neighborhood. We reformulate this spatial constrai...
Volker Willert, Julian Eggert, Marc Toussaint, Edg...
LREC
2010
145views Education» more  LREC 2010»
14 years 1 months ago
Inter-Annotator Agreement on a Linguistic Ontology for Spatial Language - A Case Study for GUM-Space
In this paper, we present a case study for measuring inter-annotator agreement on a linguistic ontology for spatial language, namely the spatial extension of the Generalized Upper...
Joana Hois
LREC
2010
191views Education» more  LREC 2010»
14 years 1 months ago
Spatial Role Labeling: Task Definition and Annotation Scheme
One of the essential functions of natural language is to talk about spatial relationships between objects. Linguistic constructs can express highly complex, relational structures ...
Parisa KordJamshidi, Martijn van Otterlo, Marie-Fr...
AVI
2010
14 years 1 months ago
GPS and road map navigation: the case for a spatial framework for semantic information
Urban environments require cognitive abilities focused on both spatial overview and detailed understanding of uses and places. These abilities are distinct but overlap and reinfor...
Ginette Wessel, Caroline Ziemkiewicz, Remco Chang,...
ADBIS
2010
Springer
192views Database» more  ADBIS 2010»
14 years 1 months ago
The Objects Interaction Graticule for Cardinal Direction Querying in Moving Objects Data Warehouses
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...
Ganesh Viswanathan, Markus Schneider
CONCUR
2008
Springer
14 years 1 months ago
Spatial and Behavioral Types in the Pi-Calculus
We present a framework that combines ideas from spatial logics and Igarashi and Kobayashi's behavioural type systems, drawing benefits from both. In our approach, type systems...
Lucia Acciai, Michele Boreale
DOLAP
2005
ACM
14 years 1 months ago
Towards a spatial multidimensional model
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...
Sandro Bimonte, Anne Tchounikine, Maryvonne Miquel
FLAIRS
2008
14 years 2 months ago
A Framework for Merging Qualitative Constraints Networks
Spatial or temporal reasoning is an important task for many applications in Artificial Intelligence, such as space scheduling, navigation of robots, etc. Several qualitative appro...
Jean-François Condotta, Souhila Kaci, Nicol...
ICIA
2007
14 years 2 months ago
Integrating Multiple Representations of Spatial Knowledge for Mapping, Navigation, and Communication
A robotic chauffeur should reason about spatial information with a variety of scales, dimensions, and ontologies. Rich representations of both the quantitative and qualitative cha...
Patrick Beeson, Matt MacMahon, Joseph Modayil, Ani...
FLAIRS
2007
14 years 2 months ago
A Model for Qualitative Spatial Reasoning Combining Topology, Orientation and Distance
Much work has been done in the area of qualitative spatial reasoning over the past years, with application in various domains. However, existing models only capture particular asp...
David Brageul, Hans W. Guesgen