Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 49 for “"Information storage and retrieval systems"”.
-
Implementing an intelligent information retrieval system: the CODER system, version 1.0
… requiring interactive access to online text, information storage and retrieval systems provide a way to retrieve desired documents and/or text passages. The CODER (COmposite Document Expert/effective/extended Retrieval) system is a testbed for determining how useful various artificial …
-
Optimal information storage : nonsequential sources and neural channels
Information storage and retrieval systems are communication systems from the present to the future and fall naturally into the framework of information theory. The goal of information storage is to preserve as much signal fidelity under resource constraints as possible. The information storage …
-
An intelligent question: answering system for natural language
As applications of information storage and retrieval systems are becoming more widespread, there is an increased need to be able to communicate with these systems in a natural way. Natural Language applications in the 1990s, as well as in the foreseeable future, have more demanding requirements. …
-
The XFM view adaptation mechanism: An essential component for XML data warehouses
… providing web services for business and communication purposes, large volumes of XML transactions take place on a daily basis. In many cases, organisations maintain these transactions in their native XML format due to its flexibility for xchanging data between heterogeneous systems. …
-
A node partitioning strategy for optimising the performance of XML queries
For ease of communication between heterogeneous systems, the eXtensible Markup Language (XML) has been widely adopted as a data storage format. However, XML query processing presents issues both in terms of query performance and updatability. Thus, many are choosing to shred XML data into …
-
Information quality and diverse information systems situations
Information quality is a recurring problem that many organisations contend with. Despite investment in both technology, and the renement of information systems, the problem persists. Information systems deployment has; in recent years undergone radical change; the traditional deployment where the …
-
Developing information systems technology within NHS wound clinics: an evaluation
The diffusion of information and communication technology (ICT) into healthcare has been generally low. This varies with application and setting, but at the point of care clinical level it has been particularly slow. The ICT niche in clinics has been recognised in numerous publications, where it …
-
Context driven retrieval algorithms for semi-structured personal lifelogs
Advances in digital technologies for information capture combined with massive in- creases in the capacity of digital storage media mean that it is now possible to capture and store much of one’s life experiences in a personal lifelog (PL). Information can be captured from a myriad of personal …
-
Social impact retrieval: measuring author influence on information retrieval
… mean the entire process of new media production and dissemination has moved away from an authorcentric approach. Casual web users and browsers are increasingly able to play a more active role in the information creation process. This means that the traditional ways in which information sources …
-
Toward higher effectiveness for recall-oriented information retrieval: A patent retrieval case study
Research in information retrieval (IR) has largely been directed towards tasks requiring high precision. Recently, other IR applications which can be described as recall-oriented IR tasks have received increased attention in the IR research domain. Prominent among these IR applications are patent …
-
An investigation of the knowledge levels and practices of the records management staff in the Ministry of Education, Science and Vocational Training and Early Education Headquarters
This study investigated the knowledge levels and practices of the records management staff at the Ministry of Education, Science Vocational Training and Early Education. Specifically, the research’s objectives were to assess the knowledge levels of the registry staff at MESTVESS; to assess the …
-
The Adoption and use of ICT's by SME's in the road passenger Operators at Intercity Bus Terminus
The study was aimed at investigating the adoption and use of Information Communication Technologies (ICTs) by Small-and-Medium-sized Enterprises (SMEs) in the road passenger transport sector in Lusaka, Zambia. The study was based on the following general objectives: 1. To determine the factors …
-
An investigation of the knowledge levels and practices of the records management staff in the Ministry of Education, Science and Vocational Training and Early Education Headquarters
This study investigated the knowledge levels and practices of the records management staff at the Ministry of Education, Science Vocational Training and Early Education. Specifically, the research’s objectives were to assess the knowledge levels of the registry staff at MESTVESS; to assess the …
-
An investigation into weighted data fusion for content-based multimedia information retrieval
Content Based Multimedia Information Retrieval (CBMIR) is characterised by the combination of noisy sources of information which, in unison, are able to achieve strong performance. In this thesis we focus on the combination of ranked results from the independent retrieval experts which comprise a …
Page 1 of 3