the proceedings contain 107 papers. the topics discussed include: retrieval effectiveness of table of contents and subject headings;mining a digital library for influential authors;task-based interaction with an integ...
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ISBN:
(纸本)1595936440
the proceedings contain 107 papers. the topics discussed include: retrieval effectiveness of table of contents and subject headings;mining a digital library for influential authors;task-based interaction with an integrated multilingual, multimedia information system: a formative evaluation;categorization and analysis of text in computer mediated communication archives using visualization;modeling personal and social network context for event annotation in images;longitudinal study of changes in blogs;digital library education in computer science programs;adaptive sorted neighborhood methods for efficient record linkage;distributed web search efficiency by truncating results;delineating the citation impact of scientific discoveries;goal-directed evaluation for the improvement of optical music recognition on early music prints;constructing digital library interfaces;a new generation of textual corpora;and visual understanding environment.
this paper addresses conceptual modeling and automatic code generation for search engine integration with data intensive Web applications. We have analyzed the similarities (and differences) between IR and database sy...
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ISBN:
(纸本)9783540735960
this paper addresses conceptual modeling and automatic code generation for search engine integration with data intensive Web applications. We have analyzed the similarities (and differences) between IR and database systems to extend an existing domain specific language for data-driven Web applications. the extended Web modeling language specifies the search engine's index schemas based on the data schema of the Web application and uniquely designs the interaction between the database, the Web application, the search engine and users. We also provide an implementation of a CASE tool extension for visual modeling and code generation. Experimentation of the proposed approach has been successfully applied in the context of the COOPER project.
international Federation for Information Processing the IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. the scope of the series includes: foundations o...
ISBN:
(数字)9780387754666
ISBN:
(纸本)9780387754659
international Federation for Information Processing the IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. the scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems modeling and optimization; information systems; computers and society; computer systems technology; security and protection in information processing systems; artificial intelligence; and human-computer interaction. Proceedings and post-proceedings of referred internationalconferences in computer science and interdisciplinary fields are featured. these results often precede journal publication and represent the most current research. the principal aim of the IFIP series is to encourage education and the dissemination and exchange of information about all aspects of computing. For more information about the 300 other books in the IFIP series, please visit ***.
the paper is primarily concerned with laying out the space of positions that purport to account for semantic context sensitivity of natural language expressions and with making a prima facie case for relativism. I sta...
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ISBN:
(纸本)9783540742548
the paper is primarily concerned with laying out the space of positions that purport to account for semantic context sensitivity of natural language expressions and with making a prima facie case for relativism. I start with distinguishing between pre-semantic, semantic and post-semantic context sensitivity. In the following section I briefly present the classic picture of indexicals due to David Kaplan and assess some arguments for the introduction of certain parameters in the circumstances of evaluation (specifically, time). In section III I envisage two views that purport to expand semantic context sensitivity beyond expressions from "the basic set": indexicalism and contextualism. In section IV, by means of an example taken from John Perry, I draw attention to a specific form of semantic context sensitivity, namely that in which what is affected by context are the circumstances of evaluation of utterances rather than their content. the example leads to the necessity of distinguishing between two roles of context: a content-determinative one and a circumstance-determinative one. In section V I introduce relativism as the view incorporating the claim that context has a circumstance-determinative role and contrast it withthe two views presented before. In the final section I analyze a certain type of argument usually adduced in favor of contextualism (the so-called "context-shifting arguments") and show that in order to work it has to rule out relativism. I conclude by claiming that the battle must be fought by giving arguments to the effect that a certain parameter should or should not be part of the circumstances of evaluation rather than the content of utterances.
the services in the virtual environment or electronic services contain a wide spectrum of operations starting from pure sales via internet to the pure services - free or as the part of service agreement. Electronics s...
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the services in the virtual environment or electronic services contain a wide spectrum of operations starting from pure sales via internet to the pure services - free or as the part of service agreement. Electronics services are relatively new kind of activities from theoretical and practical point of view. In that context arise a question what methods should be applied in estimation of public electronic services' quality and what dimensions should be treated as critical. the theoretical framework for public services assessment was developed taking into consideration such theoretical models as SERVQUAL and SERVPERF. the empirical survey was carried out evaluating 3 public services quality in Lithuania. the survey allowed determining users are more tend to give priority to clearness easiness of use, quality of information and technical quality.
this paper proposes a method of context-aware querying in mobile/ubiquitous Web searches, which provides mobile users with four capabilities: (1) context-aware keyphrase inference to help them input a keyphrase as a p...
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this paper introduces a method for formal transformation of platform independent models (PIM) to platform specific models (PSM) in a model driven architecture (MDA) context. the models are constructed using state-mach...
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ISBN:
(纸本)9783540687603
this paper introduces a method for formal transformation of platform independent models (PIM) to platform specific models (PSM) in a model driven architecture (MDA) context. the models are constructed using state-machines in the Unified modeling Language (UML). As a formal framework for reasoning about the models we use Event B. In this paper we illustrate our method by introducing fault tolerance to the PSM. Fault tolerance is not considered in the PIM in order to make the models reusable for different platforms. On the other hand, the PSM often has to consider platform specific faults. However, fault tolerance mechanisms cannot usually be introduced as a refinement in the PSM. We present a model transformation of the PIM in order to preserve refinement properties in the construction of the PSM. Design patterns are used for guiding the development. Our method can be beneficial for developing reliable applications in many different areas, since both UML and B are used for practical applications.
this paper presents a method for system architecture modeling of an IR-UWB (Impulse Radio Ultra WideBand) receiver for sensors networks applications. We expose the way for designing an FPGA (Field Programmable Gate Ar...
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ISBN:
(纸本)9783540736226
this paper presents a method for system architecture modeling of an IR-UWB (Impulse Radio Ultra WideBand) receiver for sensors networks applications. We expose the way for designing an FPGA (Field Programmable Gate Array) receiver starting from a previous study based on system modeling on Matlab. the proposed receiver architecture is first designed and validated on Matlab, before being implemented, thanks to VHDL language, on a FPGA. Our study shows the interest and the advantages of co-design Matlab-VHDL. We will propose here different IR-UWB receiver architecture depending on the modulation used. We will also introduce in this paper a data-rate and th-code reconfigurable receiver. using co-simulation Matlab-VHDL, we have compared three kind of IR-UWB receiver: th-PPM, th-OOK, th-BPAM, with respect to BER/SNR criteria and in the specific context of wireless sensors networks, at high level (Matlab) and hardware level (FPGA-Xilinx).
Complex system design is about technical specifications, but also how humans act in the loop in Dissemination, Operation, Maintenance and Evolution (DOME) of the system. In system specification, we focus on distributi...
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ISBN:
(纸本)9783540733300
Complex system design is about technical specifications, but also how humans act in the loop in Dissemination, Operation, Maintenance and Evolution (DOME) of the system. In system specification, we focus on distribution of work between humans and systems. In design of system's DOME, on building an ecology of individual motives, organizational rules and mediating structures to keep the system sustainable. In our participative design process itself, on how to enroll and maintain test users in realistic experiments. We adopt a complementarist approach: we use different models of human cognition and behavior for each aspect. Human behavior is determined by many factors including subject's motives and goals, constraints and affordances of the context. We list here which models we use and how.
Given the explosive growth of digitally stored information in modern enterprises, distributed information systems together with search engines are increasingly used in companies. By enabling the user to search all rel...
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ISBN:
(纸本)9780769528281
Given the explosive growth of digitally stored information in modern enterprises, distributed information systems together with search engines are increasingly used in companies. By enabling the user to search all relevant information sources with one single query, however crucial risks concerning information security arise. In order to make these applications secure, it is not sufficient to penetrate-and-patch past system development, but security analysis has to be an integral part of the system design process for such distributed information systems. this work presents the experiences and results of the security analysis of a search engine in the intranet of a German car manufacturer, by making use of an approach to Model-based Security Engineering that is based on the UML extension UMLsec. the focus lies on the application's single-sign-on-mechanism, which was analyzed usingthe UMLsec method and tools. Main results of the paper include a field report on the employment of the UMLsec method in an industrial context as well as indications on its benefits and limitations.
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