Efficient hierarchical

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  • Lip until now, no automated system for these insertion tasks existed. INSYST (INserter SYSTem), we describe here, can efficiently insert lexical items under the appropriate nodes in hierarchies. It currently handles hierarchies specified in the DATR formalism (Evans and Gazdar 1989, 1990). The system uses a classification algorithm that maximizes the number of inherited features for each entry.

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  • Real-Time Systems are computing systems that must meet their temporal specification. In computer science, real-time or reactive computing is the study of hardware and software systems that are subject to a real-time constraint called deadline, which the system should respect it in its response to events. Real-time systems, in fact, must guarantee response within strict time constraints. Real-time systems often appear as critical systems such as mission critical ones.

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  • The book presents a collection of chapters dealing with a wide selection of topics concerning different applications of modeling. It includes modeling, simulation and optimization applications in the areas of medical care systems, genetics, business, ethics and linguistics, applying very sophisticated methods. Algorithms, 3-D modeling, virtual reality, multi objective optimization, finite element methods, multi agent model simulation, system dynamics simulation, hierarchical Petri Net model and two level formalism modeling are tools and methods employed in these papers....

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  • As the Internet has changed communication, commerce, and the distribution of information, so too it is changing psychological research. Psychologists can observe new or rare phenomena online and can do research on traditional psychological topics more efficiently, enabling them to expand the scale and scope of their research. Yet these opportunities entail risk both to research quality and to human subjects. Internet research is inherently no more risky than traditional observational, survey or experimental methods.

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  • This book tries to address different aspects and issues related to video and multimedia distribution over the heterogeneous environment considering broadband satellite networks and general wireless systems where wireless communications and conditions can pose serious problems to the efficient and reliable delivery of content. Specific chapters of the book relate to different research topics covering the architectural aspects of the most famous DVB standard (DVB-T, DVB-S/S2, DVB-H etc.

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  • Business process management (BPM) is a holistic management approach[1] focused on aligning all aspects of an organization with the wants and needs of clients. It promotes business effectiveness and efficiency while striving for innovation, flexibility, and integration with technology. BPM attempts to improve processes continuously. It can therefore be described as a "process optimization process." It is argued that BPM enables organizations to be more efficient, more effective and more capable of change than a functionally focused, traditional hierarchical management approach....

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  • In spite of all the advances in control over the past 50 years the PID controller is still the most common controller, see [1]. Even if more sophisticated control laws are used it is common practice to have an hierarchical structure with PID control at the lowest level, see [2–5]. A survey of more than 11,000 controllers in the refining, chemicals, and pulp and paper industries showed that 97% of regulatory controllers had the PID structure, see [5]. Embedded systems are also a growing area of PID control, see [6].

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  • Normalization of tumor blood vessels due to inhibition of VEGF signaling. A. Blood vessels in normal tissues exhibit a regular hierarchical branching pattern that delivers blood to tissues in a spatially and temporally efficient manner to meet the metabolic needs of the tissue (top). At the microscopic level, tight junctions are maintained between endothelial cells (EC), which are adherent to a thick and evenly distributed basement membrane (BM). Pericytes form a surrounding layer that provides trophic signals to the EC and helps maintain proper vessel tone.

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  • Peer-to-peer systems and applications are distributed systems without any centralized control or hierarchical organization, in which each node runs software with equivalent functionality. A review of the features of recent peer-to-peer applications yields a long list: redundant storage, permanence, selection of nearby servers, anonymity, search, authentication, and hierarchical naming. Despite this rich set of features, the core operation in most peer-to-peer systems is efficient location of data items.

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  • Recently, the public sector has began to recognize the potential opportunities offered by ICT and e-business models to fit with citizens’ demands, to offer better services to citizens and to increase efficiency by streamlining internal processes. Tapscott and Caston (1993) argue that ICT causes a “paradigm shift” introducing “the age of network intelligence”, reinventing businesses, governments and individuals. Paradigm shifts prevail in the public sector too.

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