40599269
A Multimedia Micro-University
A multimedia micro-university supports the education programs and management operations of a small academic institution. The authors describe its important components-a virtual library, an intelligent distance learning system, and visualization and planning tools for management operations-and discuss an assessment plan designed to evaluate the micro-university's effectiveness.
17298481
Iconic language design for people with significant speech and multiple impairments
We present an approach of iconic language design for people with significant speech and multiple impairments (SSMI), based upon the theory of Icon Algebra and the theory of Conceptual Dependency (CD) to derive the meaning of iconic sentences. An interactive design environment based upon this methodology is described.
39945679
Iconic Language Design for People with Significant Speech and Multiple Impairments
34016873
Parsing 2D Languages by a Pictorial GLR Parser
35519508
Extending Visual Languages for Multimedia
Visual languages, which let users customize iconic sentences, can be extended to accommodate multimedia objects, letting users access media dynamically. Teleaction objects, or multimedia objects with knowledge structures, can be designed using visual languages to automatically respond to events and perform tasks like "find related books" in a virtual library.
15816324
Multi-level specification and protocol design for distributed multimedia communication
The major challenge in the design of an efficient distributed multimedia system is the integration and support of a wide variety of applications. Investigating the basic issues involved in the design and specification of distributed muttimcdia systems is the focus of this paper. A basic layered network architecture is proposed as the uniform framework for the investigation of different levels of functionality typically associated with the communication network that supports multimedia communication. Within this framework, we propose to identify the communication requirements for multimedia applications and characterize a set of communication primitives which specify different qualities of scrvicc to reflect different real-time rcquircmcnts. ‘Ilis investigation is guided by an efficient and flexible multi-level specification model. We will characterize this model and show that the model can be amenable to the construction of a set of communication primitives that support synchronization and communication of multimedia applications.
14323284
A Delphi examination of public sector ERP implementation issues
A Delphi survey of ERP life cycle management issues was conducted within five agencies of the Queensland government. The five agencies each implemented SAP Financials at around the same time using the services of a common implementation partner. Responses were elicited from ERP project participants, from managers at the agencies, and from users of the financial systems. Valid questionnaires were returned from 61respondents in the first round survey (response rate = 55%) and yielded 274 perceived issues. Through two rounds of the Delphi survey, these issues have been summarized and categorized into 10 major issue categories (with 38 sub-issues). The final survey round in which respondents will assign weights to these issues is currently underway. Lessons drawn from this study will assist in understanding the ERP life cycle and specific characteristics of the public sector ERP life cycle, and will provide insights into the strengths and weaknesses of ERP systems for public sector organizations.
18088728
Order Consolidation for Batch Processing
We consider the batch processing of orders where either whole or part of a single order or a specific pair of different orders may be grouped in a batch with a fixed capacity. The problem can be modelled by a graph G = (V,E), where each node v$${\in}$$V corresponds to an order, its weight w(v) corresponds to the amount of ordered quantity and a pair of orders, say u and v may be grouped in a batch if there exists the edge (u,v) $${\in}$$E. The objective is to maximize the number of batches filled up to its capacity $$\lambda$$. In this paper, we prove that the problem is NP-hard and, moreover, that no PTAS exists unless P = NP. Then, an optimal algorithm is developed with running time O(|V|log |V|) for the special case when G is a tree.
20494586
The implementation of a secure and pervasive multimodal Web system architecture
While most users currently access Web applications from Web browser interfaces, pervasive computing is emerging and offering new ways of accessing Internet applications from any device at any location, by utilizing various modes of interfaces to interact with their end users. The PC and its back-end servers remain important in a pervasive system, and the technology could involve new ways of interfacing with a PC and/or various types of gateways to back-end servers. In this research, cellular phone was used as the pervasive device for accessing an Internet application prototype, a multimodal Web system (MWS), through voice user interface technology. This paper describes how MWS was developed to provide a secure interactive voice channel using an Apache Web server, a voice server, and Java technology. Securing multimodal applications proves more challenging than securing traditional Internet applications. Various standards have been developed within a context of Java 2 Micro Edition (J2ME) platform to secure multimodal and wireless applications. In addition to covering these standards and their applicability to the MWS system implementation, this paper also shows that multimodal user-interface page can be generated by using XSLT stylesheet which transforms XML documents into various formats including XHTML, WML, and VoiceXML.
7920215
The design of a secure and pervasive multimodal Web system
While most users currently receive Web services from Web browser interfaces, pervasive computing is emerging and offering new ways of accessing Internet applications from any device at any location (Satyanarayanan, 2002; Estrin et al., 2002), by utilizing various modes of interfaces to interact with their end users. The PC and its back-end servers remain important in a pervasive system, and the technology could involve new ways of interfacing with a PC and/or various types of gateways to back-end servers. In this research, cellular phone was used as the pervasive device for accessing an Internet application prototype, a multimodal Web system (MWS), through voice user interface technology (Anerousis and Panagos, 2002). This paper describes how MWS was designed to provide a secure interactive voice channel using an Apache Web server, a voice server, and a Java servlet engine. It was also shown that multimodal user-interface pages can be generated by using XSLT stylesheet which transforms XML documents into various formats including XHTML, WML, and VoiceXML.
28693312
A new architecture for motion-compensated image coding
Abstract In motion-compensated image coding (MCIC), the block matching algorithm requires a very complex computational procedure. To overcome this problem, several fast search procedures have been proposed. However, the resultant errors for these procedures may be too large unless small displacement is assumed. In order to reduce the computational complexity and preserve the quality of the original image, a new architecture for MCIC without the small displacement assumption is proposed in this paper. Based on a so-called characteristic mapping, certain important features of the block will be extracted and matched in the space of features. Hence, the procedure of matching any two blocks is very much simplified and the time required is drastically reduced. Moreover, the simulation results indicate that its performance is superior to those fast search procedures based on the error between the reconstructed image and the original one. This property will result in low bit rates for transmitting the error frame.