and Applied Probability and (2008)
Björn Birnir, Jorge Hernández, Terence R. Smith
A stochastic theory of fluvial landsurfaces is developed for transport-limited erosion, using well-established models for the water and sediment fluxes. The mathematical mod-els and analysis is...
VCME: A Visual Interactive Environment for Computational Modeling Systems � (2007)
Yongmao Chen, Terence R. Smith, Yuan-fang Wang, Amitabh Saran
In previous work, we have described the concept of a computational modeling system (CMS) that is based on a comprehensive conceptualization of scientific modeling activities. A CMS involves an...
Nehal Trivedi, Unisys Corporation, Terence R. Smith
A conceptual framework for integrated metadata management in large spatial databases is described. The primary function of this framework is to allow definition, location and control of metalevel...
Parallelizing Multidimensional Index Structures (2007)
Divyakant Agrawal, Amr El Abbadi, K. V. Ravi, Kanth Divyakant, Agrawal Amr, ...
Indexing multidimensional data is inherently complex leading to slow query processing. This behavior becomes more pronounced with the increase in database size and/or number of dimensions. In this...
The Scaling of Fluvial Landscapes (2007)
Björn Birnir, Terence R. Smith, George E. Merchant
The analysis of a family of physically-based landscape models leads to the analysis of two stochastic processes that seem to determine the shape and structure of river basins. The partial...
March Vol No, Judith Bayard Cushing, David Hansen, David Maier, Calton Pu, James C. French, ...
Scientific applications and databases rarely interoperate easily. That is, scientific researchers who use computers expend significant time and effort writing special procedures to use their program...
A Geographic Knowledge Representation System for Multimedia Geospatial Retrieval and Analysis (2007)
Hsinchun Chen, Terence R. Smith, Mary L. Larsgaard, Linda L. Hill, Marshall Ramsey
Digital libraries serving multimedia information that may be accessed in terms of geographic content and relationships are creating special challenges and opportunities for networked information...
ADEPT Knowledge Organization Team (2007)
Terence R. Smith, Marcia L. Zeng, Laura Smart, Tim Tierney
Structured models of scientific concepts as a basis for
The Stochastic Theory of Fluvial Landsurfaces (2004)
Birnir, Bjorn, Feldman, Raisa, Hernandez, Jorge, Smith, Terence R
A stochastic theory of fluvial landsurfaces is developed for transport-limited erosion, using well-established models for the water and sediment fluxes. The mathematical models and analysis is...
End-User Issues Should Have a First Class Status. Wave of the Future (2003)
The time has come to treat both end-users and knowledge about end-users as first class entities in the development of electronic information environments that support research and learning. First...
Terence R. Smith, Olga Agapova, Michael Freeston, Alex Ushakov, Richard Mayer, Jian Qin, ...
model (SSM) of a concept and correlative relationships Based on such examples of SSMs and previous work, ADEPT has developed an SSM of concepts for scientific domains in terms of a frame-based...
Scott J Crosier, Michael F Goodchild, Linda L, Terence R Smith
Developing an infrastructure for sharing environmental models
Alexandria digital library: User evaluation studies and system design (2000)
Linda L. Hill, Larry Carver, Mary Larsgaard, Ron Dolin, Terence R. Smith, James Frew, ...
The Alexandria Digital Library (ADL) is one of the six digital library projects funded by NSF, DARPA, and NASA. ADL’s collection and services focus on information containing georeferences: maps,...
Alexandria Digital Library Metadata Creator Based on Extensible Markup Language (1999)
Zheng Wang Baruch, Zheng Wang, Linda L. Hill, Terence R. Smith
: This paper describes the design and implementation of the Alexandria Digital Library (ADL) metadata creator based on Extensible Markup Language (XML). It mainly discusses three problems related to...
Browsing and Placement of Multiresolution Images on Secondary Storage (1996)
Sunil Prabhakar, Divyakant Agrawal, Amr El Abbadi, Ambuj Singh, Terence R. Smith
With the rapid advances in computer and communication technologies, there is an increasing demand to build and maintain large image repositories. In order to reduce the demands on I/O and network...
Scalability Issues for High Performance Digital Libraries on the World Wide Web (1996)
Daniel Andresen, Tao Yang, Omer Egecioglu, Oscar H. Ibarra, Terence R. Smith
We investigate scalability issues involved in developing high performance digital library systems. Our observations and solutions are based on our experience with the Alexandria Digital Library (ADL)...
Browsing and Placement of Multiresolution Images on Secondary Storage (1996)
Sunil Prabhakar, Divyakant Agrawal, Amr El Abbadi, Ambuj Singh, Terence R. Smith
Image decomposition techniques such as wavelets are used to provide multiresolution representations of images. The original image is represented by several coefficients, one of them with visual...
Browsing and Placement of Multiresolution Images on Secondary Storage (1996)
Sunil Prabhakar, Divyakant Agrawal, Amr El Abbadi, Ambuj Singh, Terence R. Smith
Image decomposition techniques such as wavelets are used to provide multiresolution representations of images. The original image is represented by several coefficients, one of them with visual...
Scalability issues for high performance digital libraries on the World Wide Web (1996)
Daniel Andresen, Tao Yang, Omer Egecioglu, Oscar H. Ibarra, Terence R. Smith
We investigate scalability issues involved in developing high performance digital library systems. Our observations and solutions are based on our experience with the Alexandria Digital Library (ADL)...
Computational Modeling Systems (1995)
Terence R. Smith, Jianwen Su, Amr El Abbadi, Divyakant Agrawal, Gustavo Alonso, Amitabh Saran
A computational modeling system (CMS) provides scientific investigators with a unified computational environment and easy access to a broad range of modeling tools. The goal of a CMS is to provide...
Computational Modeling Systems: Supporting the Development of Scientific Models (1994)
Terence R. Smith, Jianwen Su, Amr El Abbadi, Gustavo Alonso, Amr El, Abbadi Gustavo, ...
We develop a conceptual model of the iterative process of scientific modeling. This model provides an appropriate specification for a large number of concepts relating to those aspects of the...
Virtual Structures - A Technique for Supporting Scientific Database Applications (1994)
Terence R. Smith, Jianwen Su, Amitabh Saran
and Concrete Representations We now provide a brief description of the framework that we have developed for characterizing the process of scientific modeling. This framework provides the basis for a...
An Object-Based Data Model and a Deductive Language for Spatio-Temporal Database Applications (1991)
Terence R. Smith, Raghu Ramakrishnan, Agnès Voisard
: We discuss data models and languages in relation to computational environments in which data access and tools for analysis are integrated in order to support data-intensive and...
Developing an infrastructure for sharing environmental models
Scott J Crosier, Michael F Goodchild, Linda L Hill, Terence R Smith
The Internet and the World Wide Web offer a new solution to the problem of sharing scientific knowledge. Unlike traditional libraries based on print media, these new technologies facilitate the...
MDBS: A Modeling and Database System to Support Research in the Earth Sciences
Terence R. Smith, Jianwen Su, Divyakant Agrawal, Amr El Abbadi
An interdisciplinary team of computer scientists and EOS earth-science investigators is jointly investigating the concept of a modeling and database system (MDBS). MDBS is intended to support...