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Displaying 1-23 out of 23 total
Content-Based Search and Annotations in Multimedia Digital Libraries
Found in: Mexican International Conference on Computer Science
By J. Aníbal Arias, J. Alfredo Sánchez
Issue Date:September 2003
pp. 109
This paper describes a solution for the organization and management of multimedia collections in digital libraries. Video U-DL-A (VUDLA) is an extension to a digital library that allows for storage, indexing and annotation of multimedia documents. It funct...
 
Fourth-Phase Digital Libraries: Pacing, Linking, Annotating and Citing in Multimedia Collections
Found in: Digital Libraries, Joint Conference on
By J. Alfredo Sánchez, J. Aníbal Arias
Issue Date:May 2003
pp. 240
We discuss the implications of the use of current multimedia collections and posit that it is possible to build what we term fourth-phase digital libraries (4PDLs). In 4PDLs users can take advantage of both the powerful audiovisual channels and the proven ...
 
Supporting Web-Based Scholarship Through Index Cards and Annotations
Found in: Web Congress, Latin American
By J. Alfredo Sánchez, Luis Arturo Flores, Ingrid Kirschning, Yulia Ostróvskaya
Issue Date:November 2005
pp. 54-57
We have developed
 
OntoSIR: An OAI Service for Multi-Collection Document Retrieval Based on Ontologies of Metadata Records
Found in: Web Congress, Latin American
By Ma. Auxilio Medina, J. Alfredo Sánchez, Yulia Ostróvskaya, Nieves R. Brisaboa
Issue Date:November 2005
pp. 111-114
This paper describes the design and implementation of OntoSIR, an asynchronous service for document retrieval from multiple collections. Our approach builds hierarchical structures to support retrieval tasks based on harvesting of metadata records, documen...
 
Collaborative Environments for Digital Publishing
Found in: Mexican International Conference on Computer Science
By J. Alfredo Sánchez, Yazmin Morales, L. Arturo Flores
Issue Date:September 2004
pp. 329-336
This paper presents a software platform designed and implemented to support the creation of digital publishing organizations (DPOs) and to mediate the collaborative interaction among participants of the digital publishing process. We posit that as digital ...
 
Using Hermes-F: Experiences with a Framework for Developing Information Retrieval Applications
Found in: Mexican International Conference on Computer Science
By M. Fernanda Maldonado-Naude, J. Alfredo Sánchez
Issue Date:September 2003
pp. 101
Hermes-F is a framework that enables the development of applications that perform information retrieval(IR) tasks. Its central component is an extensible server that provides access to a variety of IR models, query transformations and digital collections. ...
 
Personal Spaces in the Context of OAI
Found in: Digital Libraries, Joint Conference on
By Natalia Reyes-Farfán, J. Alfredo Sánchez
Issue Date:May 2003
pp. 182
We describe MiBiblio 2.0, a highly personalizable user interface for a federation of digital libraries under the OAI Protocol for Metadata Harvesting. (OAI-PMH). MiBiblio 2.0 allows users to personalize their personal space by choosing the resources and se...
   
Managing Cognitive Overload in the Flora of North America Project
Found in: Hawaii International Conference on System Sciences
By J. Alfredo Sánchez, John L. Schnase, Kay L. Tomlinson, Mark A. Spasser
Issue Date:January 1998
pp. 296
The Flora of North America (FNA) is a large-scale collaboration involving over eight hundred scientists working together to create a 30-volume compendium of all naturally occurring plants in North America. The size and complexity of the project result in s...
   
Enabling the Collaborative Construction and Reuse of Knowledge through a Virtual Reference Environment
Found in: Groupware, International Workshop on
By J. Alfredo Sánchez, Alberto J. García, Carlos Proal, Lourdes Fernández
Issue Date:September 2001
pp. 0090
Abstract: This paper analyzes some of the factors that prevent knowledge construction and reuse in traditional library settings and describes VRef, an environment designed to provide users with the functionality of digital libraries in the areas of collabo...
 
Information Extraction, Search, Interaction and Collaboration on the Web in Mexico
Found in: Web Congress, Latin American
By J. Alfredo Sánchez, Edgar Chávez, Manuel Montes
Issue Date:October 2008
pp. 156-164
Web research in Mexico has been addressing issues related mainly to search mechanisms, information extraction, and mediating user interaction and group collaboration. In this paper we provide an overview of representative projects in the area and present a...
 
OntoQuestion: An Ontologies-Based Framework for Factoid Question Answering on Abstracts
Found in: Electronics, Communications, and Computers, International Conference on
By Ma. Auxilio Medina, J. Alfredo Sánchez
Issue Date:February 2009
pp. 139-143
Documents are an invaluable resource of information. They store knowledge represented in free text that is hard to acquire, share and reuse automatically. This paper proposes Onto Question, an ontologies-based framework for factoid question answering on ab...
 
OntOAIr: A Method to Construct Lightweight Ontologies from Document Collections
Found in: Mexican International Conference on Computer Science
By Ma. Auxilio Medina, J. Alfredo Sánchez
Issue Date:October 2008
pp. 115-125
Ontologies are key components in the development of the SemanticWeb, as they provide a shared understanding of a domain.??However,acquiring the knowledge to construct ontologies is a costly taskthat requires much time and many resources. This work describe...
 
Foreword
Found in: Electronics, Communications, and Computers, International Conference on
By J. Alfredo Sanchez, Daniel Vallejo
Issue Date:March 2011
pp. 1
Once again, CONIELECOMP, the annual International Conference on Electronics, Communications and Computers, has succeeded in gathering an outstanding collection of works that are representative of the state of the art in our areas of interest. In its 21st e...
   
Interacting with 3D Learning Objects
Found in: Web Congress, Latin American
By Rosa Paredes, J. Alfredo Sánchez, Liliana Rojas, Daniel Strazzulla, Ronel Martínez-Teutle
Issue Date:November 2009
pp. 165-168
This paper discusses initial findings that have resulted from ongoing work in the development of a platform for constructing and manipulating learning objects that include three-dimensional elements (3DLOs). We have produced a set of criteria for selecting...
 
KBoard: Knowledge Capture in Multimedia Collaboration Rooms
Found in: Mexican International Conference on Computer Science
By J. Alfredo Sánchez, Mahonri Garnica, Omar Valdiviezo, Rosa Paredes
Issue Date:October 2008
pp. 81-88
KBoard is a software environment developed to facilitate group work conducted in multimedia collaboration rooms. Specifically, KBoard has been designed to support the process of capturing knowledge during group sessions in which interaction among participa...
 
Drawing the Line between Fair Use and Plagiarism for Digital Documents
Found in: Mexican International Conference on Computer Science
By Rosa G. Paredes, J. Alfredo Sanchez, Antonio Razo
Issue Date:September 2007
pp. 113-122
CCP (Center for Counter Plagiarism) is a tool designed to aid in the process of verifying digital documents in order to ensure their originality and appropriate usage of references. In this paper we describe the design of an interface for CCP that aims to ...
 
RDF-based Model for Encoding Document Hierarchies
Found in: Electronics, Communications, and Computers, International Conference on
By Ma. Auxilio Medina, J. Alfredo Sanchez
Issue Date:February 2007
pp. 22
Some document clustering tools automatically or semiautomatically produce document hierarchies. Commonly, they are stored as text or graphical files. As a result, applications are not able to use them before some kind of processing. A more recent represent...
 
Document Retrieval from Multiple Collections by Using Lightweight Ontologies
Found in: Computing, International Conference on
By Maria Auxilio Medina, J. Alfredo Sanchez, Jaime A. Paz
Issue Date:November 2006
pp. 141-146
This paper proposes the use of lightweight ontologies to describe documents collections. A meta harvesting protocol is used to access the documents. Ontologies are constructed semi-automatically by means of data mining techniques and document clustering al...
 
Dynamic generation of OAI servers
Found in: Digital Libraries, Joint Conference on
By Abraham Villegas, Antonio Razo, Juan Manuel Córdova, J. Alfredo Sánchez
Issue Date:June 2006
pp. 258-259
We describe Voai and Xoai, two software environments that facilitate the automatic construction of OAI servers for collections managed via relational and XML databases, respectively. We have used Voai and Xoai to generate OAI servers for diverse collection...
 
A Robust and Fast Reconstruction Framework for Noisy and Large Point Cloud Data
Found in: 2014 14th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid)
By Xiang Feng,Xiaoqing Yu,Wanggen Wan,Fabien Pfaender,J. Alfredo Sanchez
Issue Date:May 2014
pp. 828-836
In this paper we present a robust reconstruction framework on noisy and large point cloud data. Though Poisson reconstruction performs well in recovering the surface from noisy point cloud data, it's problematic to reconstruct underlying surface from large...
 
Supporting Structured, Semi-Structured and Unstructured Data in Digital Libraries
Found in: Mexican International Conference on Computer Science
By J. Alfredo Sánchez, Carlos Proal, Fernanda Maldonado-Naude
Issue Date:September 2004
pp. 368-375
This paper presents an approach to the design of digital libraries by raising and addressing issues involved in supporting services for collections of structured, semi-structured and unstructured objects. We present a system architecture for a digital libr...
 
PoPS: Mobile Access to Digital Library Resources
Found in: Digital Libraries, Joint Conference on
By Nohema Castellanos, J. Alfredo Sánchez
Issue Date:May 2003
pp. 184
Mobile devices represent new opportunities for access digital libraries (DLs) but also pose a number of challenges given the diversity of their hardware and software features. We describe a framework aimed at facilitating the generation of interfaces for a...
   
Mutant: agents as guides for multiple taxonomies in the floristic digital library
Found in: Proceedings of the fourth ACM conference on Digital libraries (DL '99)
By Cesar A. Flores, J. Alfredo Sanchez, John L. Schnase
Issue Date:August 1999
pp. 244-245
This presentation focuses on the strategic design planning and vision creation process for the E-Quarium, the online complement to the Monterey Bay Aquarium. More than six months of informed investigation and analysis resulted in an ambitious redesign of t...
     
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