• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 923
  • 386
  • 192
  • 56
  • 53
  • 51
  • 30
  • 27
  • 21
  • 19
  • 19
  • 19
  • 19
  • 19
  • 17
  • Tagged with
  • 2219
  • 672
  • 383
  • 319
  • 233
  • 228
  • 207
  • 186
  • 179
  • 170
  • 153
  • 152
  • 150
  • 138
  • 130
  • 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.
71

A corpus study of the interaction of the aspect marker le with different Chinese syntactic structures

Zhang, Yi 01 January 2012 (has links)
No description available.
72

Enabling scientific data on the Web

Milowski, Raymond Alexander January 2014 (has links)
Scientific data does not exist on the Web in the same way as the written word; reviews, media, wikis, social networks, and blogs all contribute to the interconnected nature of ordinary language on the Web. Network effects create additional value from seemingly minor contributions to the Web. But nothing such as this exists for scientific data. Simply put, within the Open Web Platform, we cannot currently turn and apply similar mechanisms for scientific work without great effort. Thus, the Web has not so far enabled Science as well as it has enabled dissemination and interconnection for the written word: to truly enable Science on the Web, we must endeavor to make data and its semantics first-class Web constituents. This thesis focuses on solving this problem by enabling scientific data to exist on the Web in such a way that it can be processed both as viewable content and consumed data. Starting from the principles on which the Web has so far thrived, we propose solutions to enable complex data exchanges while preserving the Web as it stands. We introduce the Partition Annotate Name (PAN) methodology, which relies upon embracing the core architectural principles of the Web: name things with URIs; process common data formats; use common rules under a shared contract between publisher, developer, and consumer.
73

Two-dimensionalism: semantics and metasemantics.

January 2010 (has links)
Yeung, Wang Chun. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (leaves 112-117). / Abstracts in English and Chinese. / Declarations / Acknowledgements / Table of Contents / Introduction --- p.1 / PART I FROM MIXED TRUTHS TO TWO-DIMENSIONALISM / Chapter Chapter One: --- "Rigidity, Descriptivism, and Direct Reference" / Chapter 1.1. --- Meaning and Reference --- p.7 / Chapter 1.2. --- Rigidity and the Dusk of Descriptivism --- p.13 / Chapter 1.3. --- Different Theories of Reference --- p.22 / Chapter 1.4. --- Apriority and Necessity --- p.32 / Chapter Chapter Two: --- Two-Dimensionalism / Chapter 2.1. --- Possible-World Semantics --- p.38 / Chapter 2.2. --- Two-Dimensional Semantics --- p.43 / Chapter 2.3. --- Variety of Two-Dimensionalism --- p.48 / PART II TWO-DIMENSIONALISM AND ITS CRITICS / Chapter Chapter Three: --- The Argument from Ignorance and Error / Chapter 3.1. --- A-Intension and Associated Properties --- p.59 / Chapter 3.2. --- The Argument from Ignorance and Error --- p.65 / Chapter 3.3. --- The a Priori Argument --- p.73 / Chapter Chapter Four: --- The Argument from Variability / Chapter 4.1. --- Associated Properties and Meanings --- p.88 / Chapter 4.2. --- A-Intension and Understanding --- p.90 / Chapter 4.3. --- A-Intension and Communication --- p.97 / CONCLUDING REMARKS --- p.109 / BIBLOGRAPHY --- p.112
74

The discourse of conflict

Warren Hately January 2003 (has links)
This dissertation deals with two problems central to contemporary philosophy: the unacknowledged bias of structuralist theory towards linguistic signs and the lack of a coherent theorisation of social conflict. In order to address these conundrums, I reconcile Saussurean and Peircean semiotics and then use Ruthrof’s corporeal pragmatics to break from the verbocentric idea of language as a closed system, showing instead that verbal meanings originate from the body, its senses and its imagination, as informed by the deixis of individual communities. With the transformation of linguistic semiotics into corporeality, Foucault’s notion of discourse and the neglected category of discursive practice are then reworked to show how statements based on nonverbal signs might function discursively. The culmination of the 1970s Northern Irish prison war in the events of the 1981 hunger strikes offers a study that unites the focus upon nonverbal discourses with the examination of conflict. In exploring the ways in which republican hunger strikers struggled for legitimacy with the prison authorities, I am able to show how previous notions of conflict, especially Lyotard’s différend, are thrown into disrepute by a corporeal perspective recognising the intersemiotic and heterosemiotic character of communication. The availability of diverse semiotic media such as the visual, the haptic, the proximic, etc., offers positions in which conflicts may be regulated without ending in the stalemate that Lyotard describes. The division of semio-discursive phenomena into verbal and nonverbal elements, and the tracing of the effects that these elements have upon ideational and pragmatic planes of action, also reveal a variety of strategies related to conflict that are superposable upon other instances. As a result, the thesis suggests that the role of political violence in politics and the meanings associated with the taking of life can be approached from a new angle.
75

Being Affected: The meanings and functions of Japanese passive constructions

Iwashita, Mami January 2005 (has links)
Amongst the multiple and diverse meanings and functions passive constructions hold, this study considers that the primary function of passives in Japanese is to portray an event from the point of view of an affected entity. The thesis identifies three types of affectedness in Japanese passive constructions: emotive affectedness, direct / physical affectedness, and objective affectedness. Emotive affectedness, often referred to as �adversative� meaning, has drawn attention from many researchers. It has been strongly associated in the past with the syntactic category called the �indirect passive�, but is actually also observed in many instances of the �direct passive�. Direct / physical affectedness is detected mainly in the construction here referred to as the �direct sentient passive�. This meaning is common in passives in many other languages, including English. The last type � objective affectedness � is primarily associated with �non-sentient passives�, more specifically with what is here called the �plain passive�. Many previous researchers have claimed a complete and apparently transparent correlation between syntactic and semantic distinctions of the Japanese passive. The present study rejects these direct correlations. In analysing authentic data, it becomes evident that the correlation is much more subtle than has generally been recognised, and that is a matter of degree or continuum, rather than a discrete, black and white issue. To reflect this view, this study proposes separate sets of categories for syntactic and semantic distinctions. The ultimate aim of this study is to reveal how Japanese passives are actually used in real contexts. In order to achieve this aim, detailed examination of authentic written and spoken data is conducted. Some findings of the data analysis in the present study contradict previous claims, such as the finding of a large proportion of passives with a non-sentient subject and very low frequency of occurrence of indirect passives. This research also finds that, although more than half of the propositional meanings in the passive data examined are �negative�, a considerable number of passives still appear in a proposition with a neutral or positive meaning. Another prominent finding regarding propositional meaning is that it seems to be related to the degree of centrality of the passive subject to the event. With regard to the syntactic classification of passive, in particular, it is observed that the lower the degree of the centrality of the subject of the passive to the event, the greater the likelihood that the passive clause involves a negative proposition.
76

Capturing the semantics of change: operation augmented ontologies

Newell, Gavan John January 2009 (has links)
As information systems become more complex it is infeasible for a non-expert to understand how the information system has evolved. Accurate models of these systems and the changes occurring to them are required for interpreters to understand, reason over, and learn from evolution of these systems. Ontologies purport to model the semantics of the domain encapsulated in the system. Existing approaches to using ontologies do not capture the rationale for change but instead focus on the direct differences between one version of a model and the subsequent version. Some changes to ontologies are caused by a larger context or goal that is temporally separated from each specific change to the ontology. Current approaches to supporting change in ontologies are insufficient for reasoning over changes and allow changes that lead to inconsistent ontologies. / In this thesis we examine the existing approaches and their limitations and present a four-level classification system for models representing change. We address the shortcomings in current techniques by introducing a new approach, augmenting ontologies with operations for capturing and representing change. In this approach changes are represented as a series of connected, related and non-sequential smaller changes. The new approach improves on existing approaches by capturing root causes of change, by representing causal relationships between changes linking temporally disconnected changes to a root cause and by preventing inconsistencies in the evolution of the ontology. The new approach also explicitly links changes in an ontology to the motivating real-world changes. We present an abstract machine that defines the execution of operations on ontologies. A case study is then used to explain the new approach and to demonstrate how it improves on existing ways of supporting change in ontologies. The new approach is an important step towards providing ontologies with the capacity to go beyond representing an aspect of a domain to include ways in which that representation can change.
77

Reasoning about Temporal Context using Ontology and Abductive Constraint Logic Programming

Zhu, Hongwei, Madnick, Stuart E., Siegel, Michael D. 01 1900 (has links)
The underlying assumptions for interpreting the meaning of data often change over time, which further complicates the problem of semantic heterogeneities among autonomous data sources. As an extension to the COntext INterchange (COIN) framework, this paper introduces the notion of temporal context as a formalization of the problem. We represent temporal context as a multi-valued method in F-Logic; however, only one value is valid at any point in time, the determination of which is constrained by temporal relations. This representation is then mapped to an abductive constraint logic programming framework with temporal relations being treated as constraints. A mediation engine that implements the framework automatically detects and reconciles semantic differences at different times. We articulate that this extended COIN framework is suitable for reasoning on the Semantic Web. / Singapore-MIT Alliance (SMA)
78

Reasoning about Temporal Context using Ontology and Abductive Constraint Logic Programming

Zhu, Hongwei, Madnick, Stuart E., Siegel, Michael D. 01 1900 (has links)
The underlying assumptions for interpreting the meaning of data often change over time, which further complicates the problem of semantic heterogeneities among autonomous data sources. As an extension to the COntext INterchange (COIN) framework, this paper introduces the notion of temporal context as a formalization of the problem. We represent temporal context as a multi-valued method in F-Logic; however, only one value is valid at any point in time, the determination of which is constrained by temporal relations. This representation is then mapped to an abductive constraint logic programming framework with temporal relations being treated as constraints. A mediation engine that implements the framework automatically detects and reconciles semantic differences at different times. We articulate that this extended COIN framework is suitable for reasoning on the Semantic Web. / Singapore-MIT Alliance (SMA)
79

Reasoning about Temporal Context using Ontology and Abductive Constraint Logic Programming

Zhu, Hongwei, Madnick, Stuart E., Siegel, Michael D. 01 1900 (has links)
The underlying assumptions for interpreting the meaning of data often change over time, which further complicates the problem of semantic heterogeneities among autonomous data sources. As an extension to the COntext INterchange (COIN) framework, this paper introduces the notion of temporal context as a formalization of the problem. We represent temporal context as a multi-valued method in F-Logic; however, only one value is valid at any point in time, the determination of which is constrained by temporal relations. This representation is then mapped to an abductive constraint logic programming framework with temporal relations being treated as constraints. A mediation engine that implements the framework automatically detects and reconciles semantic differences at different times. We articulate that this extended COIN framework is suitable for reasoning on the Semantic Web. / Singapore-MIT Alliance (SMA)
80

Reasoning about Temporal Context using Ontology and Abductive Constraint Logic Programming

Zhu, Hongwei, Madnick, Stuart E., Siegel, Michael D. 01 1900 (has links)
The underlying assumptions for interpreting the meaning of data often change over time, which further complicates the problem of semantic heterogeneities among autonomous data sources. As an extension to the COntext INterchange (COIN) framework, this paper introduces the notion of temporal context as a formalization of the problem. We represent temporal context as a multi-valued method in F-Logic; however, only one value is valid at any point in time, the determination of which is constrained by temporal relations. This representation is then mapped to an abductive constraint logic programming framework with temporal relations being treated as constraints. A mediation engine that implements the framework automatically detects and reconciles semantic differences at different times. We articulate that this extended COIN framework is suitable for reasoning on the Semantic Web. / Singapore-MIT Alliance (SMA)

Page generated in 0.0601 seconds