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Events can be "something that happens or is regarded as happening; an occurrence, especially one of some importance", "the outcome, issue, or result of anything", or "something that occurs in a certain place during a particular interval of time" (Definitions found here: http://dictionary.reference.com/browse/event). Within Infinit.e events are typically a combination of entities assembled in the form of Noun - Verb - Noun, e.g. "a car crashed into a building", "the plane flew to San Diego". In addition to the Noun - Verb - Noun form events can include geographic information (i.e., where an event happened) as well as a start and/or end time for an event. The following section describes how to specify the extraction of events from a data source using the Structured Analysis Harvester.
Basic Event Specification
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- event_type
"Event", "Fact", "Summary"
The "event_type" field sub-categorizes the "event" object into one of three types, "Event", "Fact", or "Summary". Examples provided below should make the distinction clearer, but it can be simply described as follows:- "Event": link multiple entities (via "entity1_index", "entity2_index", "geo_index") and represent a transient activity (eg travel)
- "Fact": link multiple entities like "Events" but represent (transient or permanent) relationships (eg being president)
- "Summary": generally link 1 entity to a free text (eg a quotation: "Obama says...").
Specifying Additive Events
Additive events
Specifying Multiplicative Events
Multiplicative events are events that are created
The Structured Analysis Harvester supports the creation of events using the following specification format for multiplicative events:
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