Tài liệu miễn phí Tổ chức sự kiện
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Use of Event Data Recorder (EDR) Technology for Highway Crash Data Analysis
This paper presents SIENA, an event notification service that we have de- signed and implemented to maximize both expressiveness and scalability. In Section 3we describe the service’s formally defined application programming in- terface,which is an extension of the familiar publish/subscribe protocol [Birman 1993]. Several candidate server topologies and protocols are presented in Sec- tion 4.We then describe in Section 5 the routing algorithms used by the service to deliver event notifications to clients; these algorithms are designed specifi- cally for distributed networks of event servers. This is followed by a description of strategies for optimizing the performance of the notification selection process. Supported in part by the results of...
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The 2012 Nexus Event – An Unknown Form Of Energy Is Coming Our Way
In its most general form, a distributed event notification service is composed of interconnected servers, each one serving some subset of the clients of the service, as shown in Figure 1. (Some use the terms proxy and broker instead of the term server.) The clients are of two kinds: objects of interest, which are the generators of events, and interested parties, which are the consumers of event notifications. Of course, a client can act as both an object of interest and an interested party. Both kinds of clients interact with a locally accessible server, which functions as an access point to the networkwide service. In prac- tice, the...
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Oe Event planning guide
In terms of interconnection topology, there are essentially two broad classes from which to choose: a hierarchy and a general graph. Existing distributed event notification services, such as JEDI [Cugola et al. 1998] and TIBCO’s product TIB/Rendezvous™, adopt a hierarchical topology. However, our analy- sis (presented in Section 6) shows that such a topology can exhibit significant performance problems. In SIENA we have adopted the general graph, which in common terms means that the servers are organized in a peer-to-peer rela- tionship, as we detail in Section 4. A hybrid of the two structures—whether a hierarchy of peers, or peers of hierarchies—is also a topology to consider, but requires...
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Pandemic Influenza Pre-Event Message Maps
Our desire for the event notification service to be general purpose also compli- cates the routing problem for the service. In particular, we assume that objects of interest have no knowledge of interested parties. Therefore, event notifica- tions cannot be addressed and routed in the same, relatively simple manner as, for example, an electronic mail message. Moreover, we cannot assume any particular locality of objects of interest and interested parties, which is a fact that bears a strong relationship to the server topology issue. At best we can only try to take advantage of any locality or structure in the message traffic as it emerges.We demonstrate below that...
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SPECIAL EVENT PLANNING GUIDE: Information to assist you in the completion of your Citywide Special Event Permit Application
Given these considerations, solving the routing problem can be seen as a choice among three alternatives. Common to the three alternatives is the need to broadcast some piece of information to all the servers in the network, where the broadcast is required by the lack of a priori knowledge of locality. The first alternative broadcasts notifications, which implies that notification matching is performed at each local server based on the subscriptions received at that server. This alternative suffers from the drawback that all notifications are delivered to all local servers, whether or not they are serving any parties inter- ested in the notifications. The second and third alternatives try...
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Proceedings 2005..!
Based on our observation about the likely relationship among subscriptions, the strategy works as follows. When a subscription reaches a server (either from a client or from another server), the server propagates that subscription only if it defines new selectable notifications that are not in the set of selectable notifications defined by any previously propagated subscription. Three bene- fits accrue from this approach. First, we reduce network costs by pruning the propagation of new subscriptions. Second, we reduce the storage requirements for servers. Third, by reducing the number of subscriptions held at each server, we reduce the computational resources needed to match notifications at that server. We use a...
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An Equilibrium Model of Rare-Event Premia and Its Implication for Option Smirks
Asmentioned in the introduction, the information associatedwith an event is represented by a data structure called a notification.We refer to the datamodel or encoding schema of notifications as the event notification model or simply event model. Most existing event notification services adopt a simple record- like structure for notifications, while some more recent frameworks define an object-oriented model (e.g., the Java™ Distributed Event Specification [Sun Microsystems 1998] and the CORBA Notification Service [Object Management Group 1998b]). Closely related to the eventmodel is the subscription language,which defines the form of the expressions associated with subscriptions. Two aspects of the subscription language are crucial to the issue of expressiveness....
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REBUILDING AMERICA’S DEFENSES Strategy, Forces and Resources For a New Century
At aminimum, an event notification service exports two functions that together define what is usually referred to as the publish/subscribe protocol. Interested parties specify the events in which they are interested by means of the func- tion subscribe. Objects of interest publish notifications via the function publish. SIENA extends the publish/subscribe protocol with an additional interface func- tion called advertise, which an object of interest uses to advertise the notifica- tions it publishes. SIENA also adds the functions unsubscribe and unadvertise. Subscriptions can be matched repeatedly until they are canceled by a call to unsubscribe. Advertisements remain in effect until they are canceled by a call to unadvertise. Table I...
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Discrete Event Simulation in Java
The justification for choosing this typing scheme is scalability. In other sys- tems, such as one finds for example in the Java Distributed Event Specifica- tion [SunMicrosystems 1998] andCORBANotification Service [ObjectManage- ment Group 1998b], a notification is a value of some named, explicit notification type. This implies a global authority formanaging and verifying the type space, something which is clearly not feasible at an Internet scale. On the other hand, we define a restricted set of attribute types from which to construct (arbitrary) notifications. By having this well-defined set, we can perform efficient routing based on the content of notifications. As we discuss in Section 7, content-based routing has...
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R INTE S OF MEDIC REPORTING ADVERSE DRUG REACTIONS DEFINITIONS OF TERMS AND CRITERIA FOR THEIR USE
While a filter ismatched against a single notification based on the notification’s attribute values, a pattern is matched against one or more notifications based on both their attribute values and on the combination they form. At its most generic, a patternmight correlate events according to any relation. For example, the programmer of a stockmarket analysis toolmight be interested in receiving price change notifications for the stock of one company only if the price of a related stock has changed by a certain amount. Rich languages and logics exist that allow one to express event patterns [Mansouri-Samani and Sloman 1997]. In SIENA we do not attempt to provide a...
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WHO Draft GuiDelines fOr aDverse event repOrtinG anD learninG systems
This expression says that an advertisement covers a notification if and only if it covers each individual attribute in the notification. Note that this is the dual of subscriptions, which define the minimal set of attributes that a notifi- cation must contain. In contrast to subscriptions, when a filter is used as an advertisement, multiple constraints for the same attribute are interpreted as a disjunction rather than as a conjunction; only one of the constraints need be satisfied. Table III shows some examples of the relation ÁN A . The second exam- ple is not a match because the attribute date of the notification is not defined in the...
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When Things go Wrong RESPONDING TO ADVERSE EVENTS
The hierarchical architecture is a straightforward extension of a centralized architecture. It only requires that the basic central server be modified to propa- gate any information that it receives (i.e., subscriptions, etc.) on to its “master” server. In fact, the server/server protocol we use within the hierarchical archi- tecture is exactly the same as the protocol described in Section 3 for commu- nication between the servers and the external clients of the event notification service. Thus, in terms of communication, a server is not distinguished from objects of interest or interested parties. In practice, this means that a server will receive subscriptions, advertisements, and notifications from its “client” servers,...
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Sentinel Event Data Root Causes by Event Type 2004-2012
In the acyclic peer-to-peer architecture, servers communicate with each other symmetrically as peers, adopting a protocol that allows a bidirectional flow of subscriptions, advertisements, and notifications. Hence we use an undirected graph to represent the topology of this architecture. (As always, the external clients of the service use the standard client/server protocol described in Sec- tion 3.) The configuration of the connections among servers in this architecture is restricted so that the topology forms an acyclic undirected graph. Figure 6 shows an acyclic peer-to-peer architecture of servers. The communication be- tween servers is represented by thick undirected lines, while the communica- tion between clients and servers is represented by...
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Event Planning Guide Child Injuries Are Preventable Protect the Ones You Love
Removing the constraint of acyclicity fromthe acyclic peer-to-peer architecture, we obtain the general peer-to-peer architecture. Like the acyclic peer-to-peer architecture, this architecture allows bidirectional communication between two servers, but the topology can form a general undirected graph, possibly having multiple paths between servers. An example is shown in Figure 7. The advantage of the general peer-to-peer architecture over the previous two architectures is that it requires less coordination and offers more flexi- bility in the configuration of connections among servers. Moreover, allowing redundant connections makes it more robust with respect to failures of single servers. The drawback of having redundant connections is that special algo- rithms must be implemented to...
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Event Management and Best Practices Best Practices
For example, in the case of a multinational corporation, it might be reason- able to assume a high degree of control and coordination in the administration of the cluster of subnets of the corporation’s intranet. The administrators of this intranet might very well be able to design and manage the whole network of event servers deployed on their subnets, and thus it might be a good idea to adopt a hierarchical architecture within the intranet. Of course, the intranet would connect to other networks outside of the influence of the administrators. Thus, what could arise is a general peer-to-peer architecture at the global level, serving to interconnect different...
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Design and Evaluation of a Wide-Area Event Notification Service
The components of a loosely coupled system are typically designed to operate by generating and responding to asynchronous events. An event notification service is an application-independent in- frastructure that supports the construction of event-based systems, whereby generators of events publish event notifications to the infrastructure and consumers of events subscribe with the infras- tructure to receive relevant notifications. The two primary services that should be provided to com- ponents by the infrastructure are notification selection (i.e., determining which notifications match which subscriptions) and notification delivery (i.e., routing matching notifications from publishers to subscribers). Numerous event notification services have been developed for local-area networks, generally based on a centralized...
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BEST MANAGEMENT PRACTICES GUIDEBOOK FOR SPECIAL EVENT-GENERATED WASTE IN RURAL COMMUNITIES
The workplace has been recognized internationally as an appropriate setting for health promotion. The importance of workplace health promotion was addressed in 1950 and later updated in 1995 in a joint International Labour Organization/World Health Organization session on occupational health (5). Since this time, health promotion in the workplace has been broadly recommended by international bodies through numerous charters and declarations, including the 1986 Ottawa Charter for Health Promotion (6), the 1997 Jakarta Declaration on Leading Health Promotion into the 21st Century (7) and the 2005 Bangkok Charter for Health Promotion in a Globalized World (8). ...
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Sustainable Event Planning Guide Denver 2008 Convention Host Committee Greening Initiative Fall 2008
The five major NCDs are heart disease, stroke, cancer, chronic respiratory diseases and diabetes. There is strong scientific evidence that healthy diet and adequate physical activity (i.e. ≥30 minutes of moderate intensity physical activity, ≥5 days per week) play an important role in the prevention of these diseases. Furthermore, it is estimated that approximately 80% of heart disease, stroke, type 2 diabetes and 40% of cancers can be prevented through inexpensive and cost-effective interventions that address the primary risk factors. ...
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Prepared by the Staffs of the Federal Energy Regulatory Commission and the North American Electric Reliability Corporation
Addressing diet and physical activity in the workplace has the potential to improve the health status of workers; contribute to a positive and caring image of the company; improve staff morale; reduce staff turnover and absenteeism; enhance productivity; and reduce sick leave, health plan costs and workers' compensation and disability payments. This report – the outcome of an event jointly organized by the World Health Organization (WHO) and the World Economic Forum – summarizes the current evidence available in addressing the different dimensions of the workplace as a key setting for interventions designed to prevent NCDs through diet and physical activity....
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TECHNICAL PAPER NO. 40 RAINFALL FREQUENCY ATLAS OF THE UNITED STATES
The information compiled in this report reflects evidence collected from WHP policies in high-income countries, primarily within the European and North American regions. The scarcity of information and case studies from low- and middle-income countries was highlighted as an important gap in the current knowledge that needs to be addressed. Despite the limits of the available evidence, all stakeholders are encouraged to develop and implement WHP policies and programmes tackling unhealthy diets and physical inactivity....
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The Entrepreneurial Event Revisited: firm formation in a regional context
Gaps in current knowledge To strengthen current knowledge, particularly on effectiveness, cost/benefit analysis and the impact on health of WHP programmes, further research is needed. The development of simple and easy-to-use validated instruments for diet and physical activity evaluation is encouraged. There needs to be further exploration of how the evidence- based diet and physical activity interventions are applied in workplaces that are in different geographic locations, and that vary in terms of governmental structure, literacy levels and social norms around different health behaviours. Identifying and publishing case reports and examples of international WHP programmes can also constitute supportive information that will help planners better understand how to develop global programmes. ...
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Rails 3 Ropes Course: Gregg Pollack
The essential role of a multistakeholder approach Addressing, comprehensively, the issues of diet and physical activity requires the involvement of a range of stakeholders. A multistakeholder approach to the development and implementation of WHP policies and programmes is key to the success, effectiveness and sustainability of the programmes. Different stakeholders that can play a role in WHP include: international organizations; ministries of health, labour and safety; local and municipal governments; nongovernmental organizations (NGOs); civil society; employers; employees; trades unions; company health insurance funds; the agriculture industry; food producers, catering and food distributors; and the sports industry....
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Labels and Event Processes in the Asbestos Operating System
Key elements of successful programmes Key elements of successful WHP programmes include: establishing clear goals and objectives, linking programmes to business objectives; strong management support; effective communication with, and involvement of, employees at all levels of development and implementation of the WHP programme; creating supportive environments; adapting the programme to social norms and building social support; considering incentives to foster adherence to the programmes and improving self-efficacy of the participants. ...
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Preventing Noncommunicable Diseases in the Workplace through Diet and Physical Activity WHO/World Economic ForumReport of a Joint Event
The workplace as a health promotion setting Workplace health promotion (WHP) programmes, targeting physical inactivity and unhealthy dietary habits, are effective in improving health- related outcomes such as obesity, diabetes and cardiovascular disease risk factors. Enhancing employee productivity, improving corporate image and moderating medical care costs are some of the arguments that might foster senior management to initiate and invest in WHP programmes. Unhealthy diets and excessive energy intake, physical inactivity and tobacco use are major risk factors for noncommunicable diseases (NCDs). In 2005, an estimated 35 million people died of NCDs such as heart disease, stroke, cancer and diabetes. Around 80% of these deaths occur in low- and middle-income countries that...
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Thiết kế brochure hấp dẫn cho chương trình
Brochure chương trình cần cung cấp những thông tin quan trọng như lịch trình của sự kiện, giới thiệu khách mời tiêu biểu, cảm ơn nhà tài trợ và đơn vị tổ chức. Một tờ brochure chương trình được đánh giá là tốt khi chúng có tác dụng bổ trợ, thay vì chỉ đơn giản là tóm tắt, nội dung của chương trình. Có thể sử dụng brochure để giới thiệu về chuyên môn của diễn giả nhằm tiết kiệm thời gian giới thiệu họ trong chương trình, cảm ơn tất cả những người góp phần vào sự thành công...
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Thu hút công chúng tham gia sự kiện
Tham khảo tài liệu 'thu hút công chúng tham gia sự kiện', kinh doanh - tiếp thị, tổ chức sự kiện phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả
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Tổ chức sự kiện: Một nghề thú vị
Tham khảo tài liệu 'tổ chức sự kiện: một nghề thú vị', kinh doanh - tiếp thị, tổ chức sự kiện phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả
8/30/2018 2:31:22 AM +00:00
Chuẩn bị những thứ cần thiết cho cuộc họp
Việc chuẩn trước cuộc họp tuy rất ngắn nhưng lại mang lại hiệu quả và tiết kiệm thời gian gấp nhiều lần.Trong khoảng thời gian này, bạn xác định mục đích, thời gian của cuộc họp, những công cụ hỗ trợ (máy chiếu,tài liệu…) và đặc biệt là xem xét Có mục lại đích thành rõ ràng phần và nghiêm tham khắc về dự thời họp. gian Một trong những nhiệm vụ quan trọng nhất để có thể họp hành hiệu quả chính là xác định mục đích của cuộc họp. Mục đích cuộc họp này phải được viết ra giấy...
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Phương pháp và kỹ năng tổ chức hội thảo
1. Khái niệm: Hội thảo là cuộc thảo luận về một số vấn đề nào đó có tính khoa học, lý luận và thực tiễn đang đặt ra. Mục đích của hội thảo là làm sáng tỏ cơ sở lý luận, cơ sở thực tiễn của vấn đề, đề xuất, kiến nghị hoặc dự báo vấn đề một cách có cơ sở khoa học. Nội dung của hội thảo sinh viên là xuất phát từ nhu cầu bức bách của cuộc sống sinh viên, từ đòi hỏi của công tác Hội và phong trào sinh viên, giúp các cấp bộ Hội...
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CÂU HỎI TRẮC NGHIÊM TỔ CHỨC
Câu 1) Hành vi tổ chức có mối quan hệ với các môn học a) Khoa học chính trị b) Tâm lý xã hội c) Nhân chủng học d) Tất cả đều đúng Câu 2) Những liên minh hình thành một cách tự nhiên từ môi trường công vịêc trên cơ sở những quan hê thể hiện sự thụ cảm giữa các cá nhân được gọi là a) Nhóm không chính thức b) Nhóm nhiệm vụ c) Nhóm chỉ huy d) Tất cả đều sai
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