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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Entity discovery by exploiting contextual structures. / CUHK electronic theses & dissertations collection

January 2011 (has links)
In text mining, being able to recognize and extract named entities, e.g. Locations, Persons, Organizations, is very useful in many applications. This is usually referred to named entity recognition (NER). This thesis presents a cascaded framework for extracting named entities from text documents. We automatically derive features on a set of documents from different feature templates. To avoid high computational cost incurred by a single-phase approach, we divide the named entity extraction task into a segmentation task and a classification task, reducing the computational cost by an order of magnitude. / To handle cascaded errors that often occur in a sequence of tasks, we investigate and develop three models: maximum-entropy margin-based (MEMB) model, isomeric conditional random field (ICRF) model, and online cascaded reranking (OCR) model. MEMB model makes use of the concept of margin in maximizing log-likelihood. Parameters are trained in a way that they can maximize the "margin" between the decision boundary and the nearest training data points. ICRF model makes use of the concept of joint training. Instead of training each model independently, we design the segmentation and classification models in a way that they can be efficiently trained together under a soft constraint. OCR model is developed by using an online training method to maximize a margin without considering any probability measures, which greatly reduces the training time. It reranks all of the possible outputs from a previous stage based on a total output score. The best output with the highest total score is the final output. / We report experimental evaluations on the GENIA Corpus available from the BioNLP/NLPBA (2004) shared task and the Reuters Corpus available from the CoNLL-2003 shared tasks, which demonstrate the state-of-the-art performance achieved by the proposed models. / Chan, Shing Kit. / Advisers: Wai Lam; Kai Pui Lam. / Source: Dissertation Abstracts International, Volume: 73-06, Section: B, page: . / Thesis (Ph.D.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 126-133). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [201-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract also in Chinese.
22

El estilo de liderazgo situacional y su relación con el Clima Organizacional en el área comercial de una Entidad Financiera Privada de Lima Metropolitana del año 2016

Conde Acevedo, Mirian Paola January 2017 (has links)
Esta investigación tiene como finalidad establecer el nivel de relación del estilo de liderazgo situacional en el clima organizacional en el área comercial de una entidad financiera privada de Lima metropolitana. El estudio se realizó entre los años 2015 y 2016, con una duración total de dieciocho meses. Es una investigación no experimental transversal descriptiva y correlacional The purpose of this research is to establish the level of relationship of the leadership style situation in the organizational climate in the commercial area of a private financial institution of Metropolitan Lima The study was conducted between 2015 and 2016, with a total duration of eighteen months. Is a cross-sectional descriptive and correlational non-experimental investigation
23

Úpadek řízené osoby a jeho "koncernové" důsledky / Insolvency of a dependant person and its group consequences

Smetana, Tomáš January 2019 (has links)
Insolvency of a dependant person and its group consequences Abstract The thesis deals with the consequences that the Czech Act on Business Corporations and the Insolvency Act provides for the case of bankruptcy of a dependant entity in relation to the remaining entities in the group. First, the general conceptual bases are discussed and the value of the principles of limited liability and individual legal personality in the context of the business group is explained. One chapter is devoted to international issues that arise in the context of bankruptcy within business groups, that is, both private international law and harmonization issues. The importance of harmonization is explained with reference to universalism, the leading way of thinking in solving cross-border bankruptcy, and in other parts of the thesis, Czech law is compared with the international standards of insolvency law of UNCITRAL and the World Bank. Furthermore, the ways in which the liability of a group member for the debts of an insolvent corporation can be inferred are analyzed. These include, in particular, the English law inspired wrongful trading regime contained in s. 68 of the Act on Business Corporations and the liability of the dominant entity for the debts of the dependant entity if the dominant entity causes the dependant entity...
24

An empirical study of the use of conceptual models for mutation testing of database application programs

Wu, Yongjian, January 2006 (has links)
Thesis (M. Phil.)--University of Hong Kong, 2007. / Title proper from title frame. Also available in printed format.
25

Entity Matching for Intelligent Information Integration

Wang, Gang Alan January 2006 (has links)
Due to the rapid development of information technologies, especially the network technologies, business activities have never been as integrated as they are now. Business decision making often requires gathering information from different sources. This dissertation focuses on the problem of entity matching, associating corresponding information elements within or across information systems. It is devoted to providing complete and accurate information for business decision making. Three challenges have been identified that may affect entity matching performance: feature selection for entity representative, matching techniques, and searching strategy. This dissertation first provides a theoretical foundation for entity matching by connecting entity matching to the similarity and categorization theories developed in the field of cognitive science. The theories provide guidance for tackling the three challenges identified. First, based on the feature contrast similarity model, we propose a case-study-based methodology that identifies key features that uniquely identify an entity. Second, we propose a record comparison technique and a multi-layer naïve Bayes model that correspond respectively to the deterministic and the probability response selection models defined in the categorization theory. Experiments show that both techniques are effective in linking deceptive criminal identities. However, the probabilistic matching technique is preferable because it uses a semi-supervised learning method, which requires less human intervention during training. Third, based on the prototype access assumption proposed in the categorization theory, we apply an adaptive detection algorithm to entity matching so that efficiency can be greatly improved by the reduced search space. Experiments show that this technique significantly improves matching efficiency without significant accuracy loss. Based on the above findings we developed the Arizona IDMatcher, an identity matching system based on the multi-layer naïve Bayes model and the adaptive detection method. We compare the proposed system against the IBM Identity Resolution tool, a leading commercial product developed using heuristic decision rules. Experiments do not suggest a clear winner, but provide the pros and cons of each system. The Arizona IDMatcher is able to capture more true matches than IBM Identity Resolution (i.e., high recall). On the other hand, the matches identified by IBM Identity Resolution are mostly true matches (i.e., high precision).
26

Projekbestuur vir finansiële rekeningkunde in klein entiteite / A. Möller

Möller, Anelia January 2011 (has links)
The use of project management in the financial environment of small entities is investigated in this research. To reach the goal of this research, project management in general was researched from the literature and applied to small accounting projects. The meaning of small enterprises was determined from literature and different types of entities were described. The accounting environment as a whole was described to focus on the financial accounting environment of small entities whose financial statements are not strictly regulated by law. Project management was theoretically applied to the financial accounting environment of a small enterprise. Empirical research was used to determine the current use or not of project management by accountants. The questionnaire, distributed according to the snowball method, was set in such a way that it assumed the respondent do not use project management. The research results were grouped to elucidate information in different focus areas of project management. It was very clear from the respondent’s responses, that: Project management is intuitively used without being identified as such; There does nor exist any basic or formal numeration structure for financial assistance of small entities; and Risks could be uniformly addressed to the benefit of both accounting officers and clients should it be more consciously applied. Because it was difficult to identify the population and the snowball method was used to issue the questionnaires, it was decided to use focus group interviews to discuss the outcomes received from the respondents. The results from these interviews were very helpful: not only was project management positively accepted as financial management tool, but suggestions were made to motivate for the use of project management by accountants. These suggestions, as well as a draft project model was send as a secondary questionaire to accountants to test the researched results. Although a limited reaction was received the acceptance of the research outcome was positive. The impact of this discussion can also be found in chapter seven. It can be concluded that the conscious use of project management can be to the advantage of both the accountant and client. The application of project management as a process can be utilised advantageously and without significant additional administrative costs to streamline financial accounting activities. / Thesis (Ph.D. (Operational Research))--North-West University, Vaal Triangle Campus, 2011
27

Projekbestuur vir finansiële rekeningkunde in klein entiteite / A. Möller

Möller, Anelia January 2011 (has links)
The use of project management in the financial environment of small entities is investigated in this research. To reach the goal of this research, project management in general was researched from the literature and applied to small accounting projects. The meaning of small enterprises was determined from literature and different types of entities were described. The accounting environment as a whole was described to focus on the financial accounting environment of small entities whose financial statements are not strictly regulated by law. Project management was theoretically applied to the financial accounting environment of a small enterprise. Empirical research was used to determine the current use or not of project management by accountants. The questionnaire, distributed according to the snowball method, was set in such a way that it assumed the respondent do not use project management. The research results were grouped to elucidate information in different focus areas of project management. It was very clear from the respondent’s responses, that: Project management is intuitively used without being identified as such; There does nor exist any basic or formal numeration structure for financial assistance of small entities; and Risks could be uniformly addressed to the benefit of both accounting officers and clients should it be more consciously applied. Because it was difficult to identify the population and the snowball method was used to issue the questionnaires, it was decided to use focus group interviews to discuss the outcomes received from the respondents. The results from these interviews were very helpful: not only was project management positively accepted as financial management tool, but suggestions were made to motivate for the use of project management by accountants. These suggestions, as well as a draft project model was send as a secondary questionaire to accountants to test the researched results. Although a limited reaction was received the acceptance of the research outcome was positive. The impact of this discussion can also be found in chapter seven. It can be concluded that the conscious use of project management can be to the advantage of both the accountant and client. The application of project management as a process can be utilised advantageously and without significant additional administrative costs to streamline financial accounting activities. / Thesis (Ph.D. (Operational Research))--North-West University, Vaal Triangle Campus, 2011
28

Stanovení hodnoty vybraného podniku

Zubřický, Marek January 2010 (has links)
No description available.
29

Stanovení hodnoty podniku

Hobza, Tomáš January 2010 (has links)
No description available.
30

Stanovení tržní hodnoty vybraného podniku

Michalíková, Veronika January 2008 (has links)
No description available.

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