[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-657271-105":59,"doc-detail-657271-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","event-chain-diagrams","Event Chain Diagrams","","Event Chain Diagrams model how project risks translate into schedule-relevant events and sequences of events. The approach extends event-based quantitative risk analysis by representing activities as state transitions triggered by external events, including subscriptions to specific events, excitation from ground to excited states, and resulting changes to time and cost. Event chains can create ripple effects, with risk-response efforts treated as events. Event and event-chain importance is assessed using Monte Carlo simulation to produce risk-adjusted schedules.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/event-chain-diagrams/657271/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/event-chain-diagrams/657271.png","ImageObject",300,407,{"name":92,"@type":93},"SANS","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-26",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are Event Chain Diagrams used to visualize in project management?","Question",{"text":112,"@type":113},"They visualize relationships between project risks and the event chains that affect project schedules, using a familiar Gantt-chart-like structure.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does event chain methodology represent activity behavior?",{"text":117,"@type":113},"Activities are modeled as transitions between ground and excited states, where external events trigger excitation and may require different resources, timing, or conditions.",{"name":119,"@type":110,"acceptedAnswer":120},"How are critical events and event chains identified?",{"text":121,"@type":113},"Project schedules are analyzed with Monte Carlo simulation, producing a risk-adjusted schedule where the most influential events and chains are ranked as critical.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},657271,1793136720,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":36},962090760505,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Event Chain Diagrams  \nLev Virine, Michael Trumper, Eugenia Virine  \nRelationships between project risks can be very complex. Risks can be assigned to different activities and resources, have different probabilities and impacts, and have correlations or act as triggers with each other. Due to this complexity, we recommend visualizing project events and event chains using event chain diagrams. Event chain diagrams use the familiar structure of a Gantt chart to visualize the relationships between project risks. State tables are also a useful tooland can be used to define the state of an activity. This paper provides a specification of Event chain diagrams and State Tables along with advice on how to use them effectively.  \nEvent Chain Methodology  \nEvent chain methodology is an extension of “traditional” and event-based quantitative risk analysis. Event chain methodology is an uncertainty modeling and schedule network analysis technique that is focused on identifying and managing events and event chains that affect project schedules. It is a logical formula to model and analyze a wide variety of different problems related to managing uncertainties in project schedule (Virine and Trumper 2007, Virine and Trumper 2013) .  \nAccording to Event chain methodology activities in project schedule are affected by external events that transform them from one state to another (Virine 2013) . The notion of state means that activity will be performed differently as a response to the event. This process of changing the state of an activity is called excitation. For example, an activity may require different resources, take a longer time, or must be performed under different conditions. As a result, this may alter the activity’s cost and duration. The original or planned state of the activity is called aground state. Other states, associated with different events are called excited states. For example, in the middle of an activity requirements change. As a result, a planned activity must be restarted. Similarly to quantum mechanics, if a significant event affects the activities, it will dramatically affect the property of the activity; for example, cancelling the activity (Agarwaland Virine 2017) .  \nEach state of activity in particular may subscribe to certain events. It means that an event can affect the activity only if the activity is subscribed to this event. For example, an assembly activity has started outdoors. The ground state the activity is subscribed to the external event“Bad weather”. If “Bad weather” actually occurs, the assembly should move indoors. This constitutes an excited state of the activity. This new excited state (indoor assembling) will not be subscribed to the “Bad weather”: if this event occurs it will not affect the activity.  \nSome events can cause other events. These series of events form event chains, which may significantly affect the course of the project by creating a ripple effect through the project. Here is an example of an event chain ripple effect:  \n1. Requirement changes cause a delay ofan activity.  \n2. To accelerate the activity, the project manager diverts resources from another activity.  \n3. Diversion of resources causes deadlines to be missed on the other activity  \n4. Cumulatively, this reaction leads to the failure of the whole project.  \nEvents can also cause execution of activities and group of activities. Risk response efforts are considered to be events, which are executed if an activity is in an excited state. Risk response events may attempt to transform activity from excited state to the ground state.  \nAnalysis of project schedules with event and event chain are performed using Monte Carlo simulation. The result of analysis is a risk adjusted project schedule. The event and event chains can be ranked as a result of analysis. Events and event chains, which affect the project the most are called critical events or event chains.  \nInformation about events and event chains, particularly proba","cbCaicqBGTZDkSso","https://ap.wps.com/l/cbCaicqBGTZDkSso","pdf",669722,16,"English","# Event Chain Diagrams\n## Event Chain Methodology\n## Why Event Chain Diagrams\n## Diagrams in Business Processes","[{\"question\":\"What are Event Chain Diagrams used to visualize in project management?\",\"answer\":\"They visualize relationships between project risks and the event chains that affect project schedules, using a familiar Gantt-chart-like structure.\"},{\"question\":\"How does event chain methodology represent activity behavior?\",\"answer\":\"Activities are modeled as transitions between ground and excited states, where external events trigger excitation and may require different resources, timing, or conditions.\"},{\"question\":\"How are critical events and event chains identified?\",\"answer\":\"Project schedules are analyzed with Monte Carlo simulation, producing a risk-adjusted schedule where the most influential events and chains are ranked as critical.\"}]","Event Chain Diagrams | PDF",1792976604]