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» Modelling and Querying Video Data
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JISBD
2000
15 years 8 months ago
Databases and Natural Language Interfaces
A Natural Language Interface for Databases allows users of multimedia kiosks to formulate natural language questions. User questions are first translated into a logic language and ...
Porfírio P. Filipe, Nuno J. Mamede
TIP
2010
119views more  TIP 2010»
15 years 1 months ago
Trajectory Classification Using Switched Dynamical Hidden Markov Models
This paper proposes an approach for recognizing human activities (more specifically, pedestrian trajectories) in video sequences, in a surveillance context. A system for automatic ...
Jacinto C. Nascimento, Mário A. T. Figueire...
161
Voted
GIS
2009
ACM
15 years 11 months ago
Data structures and intersection algorithms for 3D spatial data types
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
Tao Chen, Markus Schneider
IJCAI
1989
15 years 7 months ago
Building a World Model for a Mobile Robot Using Dynamic Semantic Constraints
We are developing a new paradigm for a world model construction system which interprets a scene and builds a world model for a mobile robot using dynamic semantic constraints. The...
Minoru Asada, Yoshiaki Shirai
SEBD
1997
134views Database» more  SEBD 1997»
15 years 8 months ago
A Systematic Approach to Multidimensional Databases
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
Luca Cabibbo, Riccardo Torlone