4 research outputs found
A Meta Search Engine Approach for Organizing Web Search Results using Ranking and Clustering
The web is expanding with each passing day along with technological advancement in search engine. This results in a long list of links to be retrieved for any user query. However it is not possible to verify each link of this returned list. Even the use of page ranking algorithms in searching does not provide the desired results. To address the solution to this problem a new meta search engine is introduced that uses the similarity measurement function to determine the relevancy of web page with the given query and document clustering technique to group the results into different clusters.
Model of a semantic web meta-browser based on a general knowledge taxonomy, a general domain ontology, specific ontologies and user profile
Web search has become one of the most important fields of research around the world. They are many reasonsincluding: the fast-growing nature of information sources; the search necessity for information closer to specificuser requirements; the need to reduce search time; and the desire to take into account the semantics of terms usedwhen doing search queries. This paper shows a semantic meta-web search model called XGhobi which uses indexedresources by Google, Yahoo! and Bing. The XGhobi engine combines a general taxonomy of knowledge, a generaldomain ontology –WordNet-, a set of specific domain ontologies, and user profile management to improve therelevance of recovered documents in both English and Spanish. A detailed description of the meta-web searchengine’s components, some user interfaces and its results and its assessments are shown. The assessment covers theobtained precision on tests done by users.La búsqueda web en los últimos años se ha convertido en una de las áreas de investigación más importantes delmundo, debido entre otras cosas: al crecimiento acelerado de las fuentes de información, a la necesidad de contar coninformación más relevante a los requerimientos específicos de cada usuario, a la exploración de menores tiempos debúsqueda y a la falta de usar la semántica de los términos implicados en las consultas. En este artículo se presentael modelo de un meta-buscador (usa los recursos indexados por Google, Yahoo! y Bing) web semántico llamadoXGhobi, que incorpora una taxonomía general de conocimiento, una ontología de dominio general (WordNet), unconjunto de ontologías de dominio específico y el perfil de los usuarios para mejorar la relevancia de los documentosrecuperados tanto en inglés como en español. Se describe en detalle los componentes del meta-buscador, algunasinterfaces de usuario y los resultados de su evaluación. La evaluación del sistema muestra la precisión obtenida enpruebas realizadas con usuarios
Modelo de un meta-buscador web semántico basado en una taxonomía general de conocimiento, una ontología de dominio general, ontologías específicas y perfil de usuario
La búsqueda web en los últimos años se ha convertido en una de las áreas de investigación más importantes delmundo, debido entre otras cosas: al crecimiento acelerado de las fuentes de información, a la necesidad de contar coninformación más relevante a los requerimientos específicos de cada usuario, a la exploración de menores tiempos debúsqueda y a la falta de usar la semántica de los términos implicados en las consultas. En este artículo se presentael modelo de un meta-buscador (usa los recursos indexados por Google, Yahoo! y Bing) web semántico llamadoXGhobi, que incorpora una taxonomía general de conocimiento, una ontología de dominio general (WordNet), unconjunto de ontologías de dominio específico y el perfil de los usuarios para mejorar la relevancia de los documentosrecuperados tanto en inglés como en español. Se describe en detalle los componentes del meta-buscador, algunasinterfaces de usuario y los resultados de su evaluación. La evaluación del sistema muestra la precisión obtenida enpruebas realizadas con usuarios.Web search has become one of the most important fields of research around the world. They are many reasonsincluding: the fast-growing nature of information sources; the search necessity for information closer to specificuser requirements; the need to reduce search time; and the desire to take into account the semantics of terms usedwhen doing search queries. This paper shows a semantic meta-web search model called XGhobi which uses indexedresources by Google, Yahoo! and Bing. The XGhobi engine combines a general taxonomy of knowledge, a generaldomain ontology –WordNet-, a set of specific domain ontologies, and user profile management to improve therelevance of recovered documents in both English and Spanish. A detailed description of the meta-web searchengine’s components, some user interfaces and its results and its assessments are shown. The assessment covers theobtained precision on tests done by users
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The impact of organisational climate on information communication technology support for knowledge management
Knowledge management (KM) has emerged as a vital concept for improving organizational performance through better use of knowledge and for minimizing the loss of valuable knowledge when employees leave. Information communication technology (ICT) is often seen as a key enabler of KM. However, ICT alone cannot make organizations more 'knowledgeable'; nor can it create the necessary trust and interpersonal environment necessary to achieve an optimally effective network. Thus, KM 'solutions' may fail to meet their expectations. Much of the literature in this field addresses the question of why the relationship between ICT and KM is so problematic. Many authors identify 'culture' as the most significant barrier to effective KM implementation. Only a few authors identify the right organizational 'climate' as the key to persuade people to create, reveal, share and use knowledge. However, too little attention has been paid to the impact of climate on technological support for KM; hence, the objective of this study is to explore the relationships between organizational climate, ICT support and KM.
This study utilizes a mixed method that would capture an 'overall picture' of knowledge management in the case of one Saudi Arabian organization. While chiefly a qualitative study, quantitative data were used to assist in answering the research question that concerned the diagnosis of organizational climate. Because our understanding of the development of knowledge management is incomplete, particularly in the context of Saudi Arabia, the research reported here is exploratory in nature.
At the heart of this thesis is a detailed analysis of the overarching aim of this study: to examine the impact of the organizational climate on information communication technology support for knowledge management. This issue is of considerable importance for the contemporary business environment and practice. The empirical investigation focuses upon the extent and utility of knowledge management activities and information communication technologies in an R&D centre located in Saudi Arabia. This investigation was supported by a survey that asks respondents to reflect on their current work climate, and to elaborate on their perceptions of the climate regarding knowledge management activities. Of 150 people who were invited to take part, 77 participants completed the questionnaire in 2007. Alongside this, 34 interviewees took part in the qualitative semi-structured investigation; the interviews were carried out to explore the research question above in more depth. In 2008, an additional 17 semi-structured qualitative interviews were undertaken with the aim of understanding in further depth the impact of organizational climate on information communication technology support for knowledge management. This brought the total number of interview participants to 51.
The empirical findings of this study indicate that organizational climate plays an important role in affecting the dynamics and ease of access of knowledge management initiatives through the use of ICT support. This can be done by shaping employees' attitudes, behaviour and feelings, which characterize life in the organization. Results also identify the methods through which ICT supports knowledge management. Based on the findings, the results of this study further suggest some improvements for knowledge management practices. This study provides a better understanding of the relationship between organizational climate, information communication technology and knowledge management practices