WO2014061190A1 - イベント処理装置、イベント処理方法、およびイベント処理プログラム - Google Patents
イベント処理装置、イベント処理方法、およびイベント処理プログラム Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
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Definitions
- the present invention relates to an event processing device, an event processing method, and an event processing program.
- Big data means various types of data.
- data that is constantly transmitted in large quantities such as sensor data such as temperature, recognition results of surveillance camera images, and text data of social media represented by Twitter (registered trademark)
- CEP Complex Event Processing
- CEP is not a technology that processes individual data transmitted from a single information source independently, but evaluates a plurality of consecutive or discontinuous data obtained from different information sources by associating them with sequential processing. Thus, the occurrence of a desired event is detected in real time.
- a system that provides a certain security service is realized by CEP.
- the system counts the number of tickets issued at the entrance gate for visitors at the entrance gate for a certain number of people at the entrance gate and the number of tickets issued for the service in the facility counts the number of visitors or more. In this case, the system issues a warning for unauthorized visitors.
- the source of the target event (including the same source as the association source) is determined in advance and described in the rule. is doing.
- an event that is referenced by any of the prepared rules is held in the memory until all evaluations related to the event in the referenced rule are completed.
- the source of information is a social media message sender
- the information of such an unspecified number of transmission sources (message senders, etc.) is associated with each other, there is a possibility that contradictions occur in the contents of the transmission information.
- one caller sends information that “Meet A person and date and time T1 at place P”, and another caller sends information that “Meet person A and date and time T2 at place P”.
- this case if there is a rule for associating events having the same event type (meeting), target (person A), and location (P), these two events are treated as related events.
- Patent Document 1 discloses a method for automatically detecting business-related events such as intensifying competition and strengthening cooperation between companies by extracting a large amount of business information from texts such as news and blogs.
- a large amount of business information on two companies of the same business relationship combination is aggregated for each relationship type such as competition, cooperation, acquisition, etc., and the relationship between the companies at a certain point in time by the magnitude of the score of each relationship type The strength is judged.
- a plurality of relationship types are generated in a combination of companies having the same business relationship among a plurality of business information, and the direction indicating which one has been acquired is the relationship type. If there is a contradiction that is different between the two, the conflict is reflected in the score representing the strength of the relationship. For example, when there is a contradiction between a plurality of business information, the score becomes small.
- the method described in Patent Document 1 adjusts the reliability of the business event to be detected.
- the composite event processing apparatus (hereinafter referred to as a CEP apparatus) shown in FIG. 10 does not include means for detecting and eliminating contradictions between event attributes when evaluating events in combination. Further, the contradiction elimination method described in Patent Document 1 is not assumed to be applied to sequential processing such as CEP.
- the contradiction resolution method described in Patent Document 1 is based on the premise that all events to be evaluated are recorded in advance in a database.
- the contradiction resolution method mines business relationships by calculating a matching score indicating the reliability of the existence of business relationships for all events.
- Patent Document 1 it is difficult to apply the method described in Patent Document 1 to a CEP system in which new events are input one after another. Therefore, there is a need for a method for resolving inconsistencies between events by sequential processing, as in processing by other systems that implement CEP.
- the present invention provides an event processing apparatus, an event processing method, and an event processing program capable of resolving inconsistencies between events in sequential processing in composite event processing using events obtained from an unspecified number of sources as inputs.
- the purpose is to provide.
- the event processing apparatus includes an event data storage unit that stores a set of event data associated with each other according to a predetermined condition until a predetermined retention period, and when newly input event data satisfies a predetermined condition.
- Event evaluation means for including the event data as new event data in the set, and conflict data in which the new event data causes a conflict between attribute values for attributes common to other event data included in the set.
- an event conflict resolution means for excluding the conflict data from the set.
- the event processing method stores a set of event data associated with each other according to a predetermined condition until a predetermined retention period, and when the newly input event data satisfies a predetermined condition, When new event data is included in the set as event data, and the new event data is conflict data that causes a conflict between the attribute values for the attributes that are common to other event data included in the set, the relevant conflict data is collected. It is excluded from.
- An event processing program includes an event data storage process for storing a set of event data associated with each other according to a predetermined condition until a predetermined retention period, and newly input event data satisfies a predetermined condition
- the event evaluation process includes the event data as new event data in the set, and there is a conflict between the attribute values of the new event data with respect to the attributes common to the other event data included in the set.
- conflict data an event conflict resolution process for excluding the conflict data from the set is executed.
- FIG. 1 is a block diagram showing a configuration example of an event processing apparatus according to the first embodiment of the present invention.
- the event processing apparatus 10 shown in FIG. 1 includes an event receiving unit 1, a rule storage unit 2, an event evaluation unit 3, an event storage unit 4, a result output unit 5, and an event conflict resolution unit 6. .
- the event receiving means 1 has a function of receiving an event transmitted from an external transmission source.
- the rule storage unit 2 has a function of storing the entire rule for evaluating the event received by the event reception unit 1.
- the entire rule for evaluating an event includes a rule for grouping the event and a condition for outputting the group.
- the rule storage unit 2 may store a concept dictionary described later.
- the event evaluation unit 3 has a function of determining whether or not one or more events received by the event reception unit 1 comply with the rules stored in the rule storage unit 2 (hereinafter referred to as collation). Further, when one or more received events comply with the rules (hereinafter referred to as conforming), the event evaluation unit 3 has a function of including the events in a specific event set.
- the event storage unit 4 has a function of storing an event until a predetermined time limit when the event reception unit 1 receives an event that conforms to the rule stored in the rule storage unit 2. Note that the event storage unit 4 may also store events that do not conform to the rules.
- a composite event is an analysis result of a set of events analyzed by the event processing device 10 based on an analysis rule.
- the event conflict resolution unit 6 detects whether or not an attribute having a different attribute value (hereinafter referred to as “conflicting”) is included between the collated events as a result of the event evaluation unit 3 collating a plurality of events in combination. It has a function.
- the attribute value is a value indicating each attribute of the event.
- the event conflict resolution unit 6 has a function of excluding one or more received events from a set of specific events. Have.
- the event conflict resolution means 6 may have a function of adopting the new attribute value received later when the attribute values of the same attribute are different among a plurality of events received from the same transmission source.
- the event conflict resolution unit 6 determines the attribute value included in the event stored earlier in the event storage unit 4 when the attribute value of the same attribute is different among a plurality of events received from different transmission sources. You may have the function of employ
- the event conflict resolving means 6 can resolve information that causes contradiction or conflict because the attribute values of the same attribute are different.
- FIG. 2 is a flowchart showing the operation of the event processing apparatus according to the present invention.
- the event receiving means 1 of the event processing apparatus 10 receives a new event (step S1).
- the event receiving unit 1 inputs the received new event to the event evaluation unit 3.
- the event evaluation unit 3 checks whether there is an entire rule in the rule storage unit 2 that includes a rule that matches the received new event and also includes a past event (step S2).
- step S2 If there is no rule in the rule storage unit 2 that includes the rule that matches the received event and that also matches the past event (No in step S2), the event evaluation unit 3 has received it. A new event set is created based on the events (step S11).
- the event evaluation unit 3 uses the event storage unit 4
- the event related to the whole rule specified in step S2 is identified from the past events stored in the.
- the event evaluation unit 3 may specify a plurality of past events.
- the event conflict resolution unit 6 compares the attribute value that is the value of each common attribute between the identified past event and the newly input event (Ste S3). At this time, the event conflict resolving means 6 excludes a specific attribute that is not the content of the event itself, such as an attribute for specifying the caller, from the objects to be compared.
- the event conflict resolution unit 6 checks whether there are conflicting attribute values (step S4).
- step S4 When there is a conflicting attribute value between the identified past event and the newly input event (Yes in step S4), the event conflict resolution unit 6 does not adopt the event having the conflicting attribute value. And excluded from the set of events related to the entire rule specified in step S2 (step S6). At this time, the set of events remains in the original state.
- the excluded event is held in the memory of the event processing apparatus 10 until a predetermined time after the received time.
- step S4 If there is no conflicting attribute value between the identified past event and the newly input event (No in step S4), the event evaluation unit 3 identifies the received event in step S2. In the set of events related to the entire rule (step S5).
- the event evaluation unit 3 After including the received event in the set of events related to the entire specified rule, the event evaluation unit 3 describes the set of events including the received event in the entire rule specified in step S2. It is checked whether all conditions up to the end state are satisfied (step S7).
- step S7 When all the conditions up to the end state are satisfied (Yes in step S7), the event evaluation unit 3 generates a composite event based on the analysis rule defined for each rule in the entire rule specified in step S2. Generate.
- the result output means 5 outputs the generated composite event as an analysis result of the set of events (step S8).
- step S7 When all the conditions up to the end state are not satisfied (No in step S7), the set of events remains in a state including the received event.
- the event evaluation means 3 is the event conflict resolution means among the past events that match the rules in the whole rule specified in step S2. 6 confirms whether there is any attribute value that has not been compared yet (step S9).
- step S9 When there is a past event whose attribute value has not been compared (Yes in step S9), the event conflict resolution unit 6 compares the attribute value again between the received event and the past event (step S3). .
- step S9 If there is no past event whose attribute value has not been compared (No in step S9), the event evaluation unit 3 checks whether the received event is included in any of the event sets (step). S10).
- the event evaluation unit 3 creates a new event set based on the received event (step S11).
- step S10 When the received event is included in the set of events (Yes in step S10) or after creating a new set of events (step S11), the event evaluation unit 3 determines that an event that has not been evaluated yet It is confirmed whether there is any (step S12).
- step S12 If there is an event that has not been evaluated yet (Yes in step S12), the event receiving means 1 receives the next event (step S1). If there is no event that has not yet been evaluated (No in step S12), the event processing apparatus 10 ends the process.
- FIG. 3 is an explanatory diagram showing original data representing each event and examples of events e1 to e5 actually received by the event receiving means 1. For example, it is assumed that an information sender identified by the name “@foo” sends a message “to go to a demonstration (hereinafter referred to as a demo) to company A tomorrow” to social media.
- a demo a demonstration
- an event collection device (not shown) is used.
- the event collection device generates an event e1 using the transmitted message as original data. Thereafter, the event receiving means 1 receives the event e1.
- the event collection device converts one or more messages transmitted from information senders identified by names such as “@bar” and “@baz” into events e2 to e5. After the message is converted into an event, the event receiving means 1 receives the converted event.
- the event collection device generates an event from the message.
- the event receiving unit 1 may generate an event from the message.
- Each event includes attributes such as a caller, a transmission date and time, an event type, an event date, and an event location, and respective attribute values.
- the event type is information serving as a reference for classifying the event.
- FIG. 4 is a state transition diagram showing an example of conditions for establishing a set of specific events and rules for associating related events in the entire rule.
- the state transition diagram of FIG. 4 shows each state from the generation to the end of a specific event set.
- the event received by the event receiving means 1 includes at least four attributes of event type, event date, event location, and number of people, and whether the attribute value of the event type is “collective behavior”. Determine whether.
- the attribute values of attributes other than the event type may be any value according to the value range of each attribute, such as D1 for the event date, P1 for the event location, and X for the number of people, or may not have a value. Shall.
- the event evaluation unit 3 changes the state of the specific event set that is the initial state Q0 to the state Q1.
- Sub-rule 3 determines whether or not the attribute value X of a specific event set is 5 or more. When a specific event set conforms to the sub-rule 3, the event evaluation unit 3 immediately changes the state of the event set that has changed to the state Q1 to the end state Q2.
- the specific event set satisfies the establishment condition defined by the rule specified by the event evaluation means 3.
- all event sets required for the number of people value X to be 5 or more are output.
- the event received by the event receiving means 1 includes four attributes: event type, event date, event place, number of people, and each value is “collective behavior”, D2, P2, Y, and It is determined whether D2 is equal to D1 and P2 is equal to P1.
- the event evaluating unit 3 sets “max (X, Y, sum (distinct) to the value X of the number of people for a specific set of events that have transitioned to the state Q1. ([Sender]))) ”is recorded.
- the formula for calculating the value X of the number of people is stored as the value X of the previous attribute “number of people” stored, the value Y of the number of newly received events. Returns the maximum value of the total number of attribute “senders” of all events that satisfy the requirements of this rule.
- the event evaluation unit 3 evaluates the attribute value X again according to the subrule 3. If the attribute value X is 5 or more, the event evaluation unit 3 changes the state of the specific event set to the end state Q2.
- the event evaluation means 3 is based on the events required in the current state and the necessary processing among the series of events as shown in FIG. 3 and the entire rules as shown in FIG. Perform comparative evaluations and update attributes and attribute values.
- the event evaluating unit 3 determines the event date and the event according to the sub-rule 2 of the state Q1. Compare each value of a place.
- the event conflict resolution unit 6 detects and resolves the conflict between events. .
- the events e1 to e5 shown in FIG. 3 may include the attributes of the sender, the transmission date and time, the transmission location, and the event target in addition to these attributes.
- the attribute representing the number of people is described as a sub-attribute of the attribute representing the type of event.
- the attribute representing the event time is described as a sub-attribute of the attribute representing the event date.
- the sub attribute is an attribute indicating additional information of the attribute.
- the rule storage means 2 stores only the entire rule including the subrule 1, the subrule 2, and the subrule 3 shown in FIG.
- the event receiving means 1 receives the event e1 (step S1)
- the event evaluation means 3 is suitable for the event e1 among all the rules stored in the rule storage means 2, and already suitable for past events. It is confirmed whether or not the whole rule including the rule exists (step S2).
- step S2 If there is no such rule as a whole (No in step S2), the event evaluation means 3 newly creates a set A of events in the initial state Q0 related to the whole rule shown in FIG. 4 (step S11).
- the event evaluation means 3 determines that the received event e1 has attributes of event type, event date, event location, and number of people according to subrule 1. Check if it contains. Referring to the event e1 shown in FIG. 3, the event e1 includes all the attributes necessary for satisfying the condition of the subrule 1.
- the event evaluation means 3 may compare attributes and attribute values included in the event that do not directly match the rule.
- the concept dictionary shown in FIG. 5 is a dictionary that defines the relationship between other attributes and attribute values derived from the attribute value of a certain attribute.
- the event e1 does not have an attribute value of “event location” but has an attribute value of “event target”.
- the attribute value of the event target of the event e1 is “Company A”. This “Company A” is expanded from the concept dictionary shown in FIG. 5 into an attribute “event location” and an attribute value “(N35, E139)”.
- the event evaluation unit 3 changes the state of the event set A including the event e1 to the state Q1.
- the event receiving unit 1 receives the event e2.
- the event evaluating means 3 confirms that the event e2 has attributes of type, event date, event location, and number of people.
- the event evaluation unit 3 confirms that the value of the type of the event e2 is “collective behavior” (or “demo”), similarly to the event e1. As described above, the event evaluation unit 3 confirms that the event e2 conforms to the subrule 1.
- the event evaluation unit 3 determines whether the event e1 stored in the event storage unit 4 and the new received event e2 are in accordance with the subrule 2 shown in FIG. Compare each attribute value with.
- the “event date” of the event e1 has “2012-07-31” as the value
- the “event date” of the event e2 similarly has the same date as the value. It is determined that the event date values of event e2 are equal.
- the event evaluation means 3 compares the attribute “event location”.
- the attribute “event target” of the event e2 has the attribute value “Company A”. Referring to the concept dictionary shown in FIG. 5 similarly to the event e1, “Company A” is expanded into an attribute “event location” and an attribute value “(N35, E139)”.
- the event location of the event e1 has the position “(N35, E139)” represented by the latitude and longitude of the value “Company A” of the event target as the value, and the event location of the event e2 is similarly the same location. Therefore, the event evaluation unit 3 determines that the event location values of the event e1 and the event e2 are equal.
- the event e2 satisfies all the conditions of the subrule 2 shown in FIG. 4 (Yes in step S2). Therefore, the entire rule including the rule that matches the event e2 and also the past event exists in the rule storage unit 2.
- the event processing apparatus detects and eliminates conflict between events by the event conflict resolution means 6 (step S3).
- Event e1 and event e2 have attributes of event target, sender, and transmission date and time, in addition to the already evaluated type, event date, event location, and number of people.
- the caller and the call date / time are both meta information about the caller.
- the event conflict resolution unit 6 excludes the meta information from the conflict detection and resolution targets. In addition, what is necessary is just to predetermine about the attribute made into this object.
- the event conflict resolution unit 6 determines that there is no conflict between the event e1 and the event e2 ( No in step S4). After the determination, the event conflict resolution unit 6 returns the result to the event evaluation unit 3.
- the event evaluation unit 3 that has received the processing result determined as “no conflict” by the event conflict resolution unit 6 includes the received event e2 in the event set A (step S5). Thereafter, the event evaluation unit 3 updates the attribute value of the attribute “number of people” of the event set A.
- the event set A does not satisfy the output condition of the composite event that the value X of the number of people of sub-rule 3 is 5 or more. Also, there is no set of events whose attribute values have not yet been compared with the event e2. Since the event e2 is included in the event set A, the event receiving unit 1 receives the next event.
- the event receiving means 1 receives the event e3 (step S1).
- the event evaluation unit 3 confirms that the event e3 has attributes of type, event date, event location, and number of people. Further, the event evaluation means 3 confirms that the value of the type of the event e3 is “collective behavior”. Therefore, the event evaluation unit 3 confirms that the event e3 conforms to the subrule 1.
- the event evaluation unit 3 determines whether the event e1 stored in the event storage unit 4 and the new received event e3 are in accordance with the subrule 2 shown in FIG. Compare each attribute value with.
- the event evaluation unit 3 determines that the event e1 and the event e3 Judge that date values are equal.
- the event evaluation means 3 compares the attribute “event location”.
- the event e3 has an attribute value “XX building” of the event target. Referring to the concept dictionary shown in FIG. 5, “XX building” is expanded into an attribute “event location” and an attribute value “(N35, E139)”.
- the event location of the event e1 has the position “(N35, E139)” represented by the latitude and longitude of the value “Company A” of the event target, and the event location of the event e3 also has the same position. Since it has a value, the event evaluation means 3 determines that the event location values of the event e1 and the event e3 are equal.
- the event conflict resolution unit 6 detects and resolves the conflict between events (step S3).
- Event e1 and event e3 have attributes of a sender and a transmission date and time in addition to the already evaluated type, event date, event location, and number of people. Since both the caller and the call date / time are meta information related to the caller, the event conflict resolution unit 6 excludes the meta information from the conflict detection and resolution targets.
- the event conflict resolution unit 6 determines that there is no conflict between the event e1 and the event e3 (No in step S4). After the determination, the event conflict resolution unit 6 returns the result to the event evaluation unit 3.
- the event evaluation unit 3 that has received the processing result determined as “no conflict” by the event conflict resolution unit 6 includes the received event e3 in the event set A (step S5). Thereafter, the event evaluation means 3 performs an operation of updating the attribute value of the attribute “number of people” of the event set A.
- the event set A does not satisfy the output condition of the composite event that the value X of the number of people of sub-rule 3 is 5 or more. Also, there is no set of events whose attribute values have not yet been compared with event e3. Further, since the event e3 is included in the event set A, the event receiving unit 1 receives the next event.
- the event receiving means 1 receives the event e4 (step S1).
- the event evaluation unit 3 confirms that the event e4 has attributes of type, event date, event location, and number of people. Also, from the concept dictionary, the event evaluation means 3 confirms that the value of the type of the event e4 is “collective behavior” (or “demo”), as with the event e1.
- the event evaluation unit 3 determines whether the event e1 stored in the event storage unit 4 and the new reception event e4 are in accordance with the subrule 2 shown in FIG. Compare each attribute value with.
- the event evaluation unit 3 determines that the event e1 and the event e4 Judge that date values are equal.
- the attribute “event location” is compared.
- the event e4 has an attribute value “company B” of the event target. Referring to the concept dictionary shown in FIG. 5, “Company B” is expanded into an attribute “event location” and an attribute value “(N35, E139)”.
- the event location of the event e1 has the position “(N35, E139)” represented by the latitude and longitude of the value “Company A” of the event target, and the event location of the event e4 also has the same position. Since it has a value, the event evaluation means 3 determines that the event location values of the event e1 and the event e4 are equal.
- the event conflict resolution unit 6 detects and resolves the conflict between events (step S3).
- Event e1 and event e4 have attributes of event target, sender, and transmission date / time in addition to the already evaluated type, event date, event location, and number of people. Since both the caller and the call date / time are meta information related to the caller, the event conflict resolution unit 6 excludes the meta information from the conflict detection and resolution targets.
- event e1 and event e2 are “Company A”, but the value of newly received event e4 is “B” Are both different from each other.
- the event conflict resolution unit 6 determines that the event e4 cannot be associated with a past event in the event set A in the state Q1. To do.
- the event conflict resolution unit 6 excludes the newly received event e4 from the event set A including the event e1 in the state Q1 (step S6).
- the event evaluation unit 3 does not perform the update operation of the attribute value of the attribute “number of people” of the event set A.
- Excluded event e4 conforms to sub-rule 1 shown in FIG. Accordingly, the event evaluation unit 3 that has received the result of “there is a conflict” from the event conflict resolution unit 6 sets the event e4 as the first received event, and a new event in the state Q1 related to the entire rule shown in FIG. A set B is generated (step S11).
- the event receiving means 1 receives the next event.
- the event evaluating means 3 confirms that the event e5 has attributes of type, event date, event location, and number of people.
- the event evaluation unit 3 confirms that the value of the type of the event e5 is “collective behavior”, similarly to the event e1. As described above, the event evaluation unit 3 confirms that the event e5 conforms to the subrule 1.
- the event evaluation unit 3 determines whether the event e1 stored in the event storage unit 4 and the new reception event e5 are in accordance with the subrule 2 shown in FIG. Compare each attribute value with.
- the event e5 has a transmission location attribute value “(N35, E139)”, a transmission date / time attribute value “2012-07-31 T07: 46: 22”, and an event target attribute value “Company A”.
- “(N35, E139)” and “Company A” are expanded to attribute “event location” and attribute value “(N35, E139)”.
- “2012-07-31 T07: 46: 22” is expanded into an attribute “event date” and an attribute value “2012-07-31”.
- the event evaluation unit 3 determines that the event e1 and the event e5 Judge that date values are equal.
- the event location of the event e1 has the position “(N35, E139)” represented by the latitude and longitude of the value “Company A” of the event target as the value, and the event location of the event e5 is similarly the same location. Therefore, the event evaluation unit 3 determines that the event location values of the event e1 and the event e5 are equal.
- the event e5 satisfies all the conditions of the subrule 2 shown in FIG. 4 (Yes in step S2). Therefore, there is an entire rule including a rule that matches the event e5 and also matches the past event.
- event conflict resolution unit 6 first detects and resolves the conflict with the event set A including the event e1 (step S3).
- Event e1 and event e5 have attributes of event target, sender, and transmission date / time in addition to the type, event date, event location, and number of people that have already been evaluated.
- the event conflict resolution means 6 excludes the meta information from being subject to conflict detection and resolution. .
- the event conflict resolution unit 6 determines that there is no conflict between the event e1 and the event e5 (step S4). No). After the determination, the event conflict resolution unit 6 returns the result to the event evaluation unit 3.
- the event evaluation unit 3 that has received the processing result determined as “no conflict” by the event conflict resolution unit 6 includes the received event e5 in the event set A (step S5). Thereafter, the event evaluation unit 3 updates the attribute value of the attribute “number of people” of the event set A.
- the value of the attribute “number of people” of the event e5 is 11.
- the event set A in the state Q1 satisfies the output condition of the composite event that the “number of people value X is 5 or more” in the sub-rule 3 (Yes in step S7).
- the event evaluation means 3 changes the state of the event set A to the end state Q2.
- the event evaluation means 3 ends the application of the entire series of rules to the event set A by making the transition to the end state Q2. As a result, a composite event as shown in FIG. 6 is output from the result output means 5 (step S8).
- FIG. 6 is an explanatory diagram illustrating an example of a composite event output from the event processing apparatus.
- Event set B exists as a set of events whose attribute values have not yet been compared with event e5 (Yes in step S9). Therefore, the event conflict resolution unit 6 detects and resolves the conflict between events again (step S3).
- Event e4 and event e5 have attributes of event target, sender, and transmission date and time, in addition to the already evaluated type, event date, event location, and number of people.
- the event conflict resolution unit 6 excludes the meta information from being subject to conflict detection and resolution.
- event target that is an attribute that has not yet been evaluated
- value of event e4 is “Company B”
- value of newly received event e5 is “Company A”, and they are different from each other.
- the event conflict resolution unit 6 determines that the event e5 cannot be associated with a past event in the event set B in the state Q1. To do.
- the event conflict resolution unit 6 excludes the newly received event e5 from the event set B including the event e4 that is in the state Q1 (step S6).
- the event evaluation unit 3 does not perform an operation of updating the attribute value of the attribute “number” of the event set B.
- the composite event to be output may be integrated as a single composite event as shown in FIG. 6 or a set of all events required to satisfy the conditions for establishing the composite event in the entire rule. Also good.
- FIG. 7 is an explanatory diagram showing a hardware configuration example of the event processing apparatus according to the present invention.
- auxiliary storage unit 46 includes at least a CPU (Central Processing Unit) 41, a main storage unit 42, a communication unit 45, and an auxiliary storage unit 46. Moreover, you may further provide the input part 43 for a person to operate, and the output part 44 for showing the process result or progress of a process content to a person.
- CPU Central Processing Unit
- the main storage unit 42 is used as a data work area or a temporary data save area.
- the main storage unit 42 is a main memory such as a RAM (Random Access Memory).
- the input unit 43 has a function of inputting data and processing instructions.
- the input unit 43 is an input device such as a keyboard or a mouse.
- the output unit 44 has a function of outputting data.
- the output unit 44 is a display device such as a liquid crystal display device or a printing device such as a printer.
- the communication unit 45 has a function of inputting and outputting data to and from peripheral devices via a wired or wireless network (information communication network).
- the auxiliary storage unit 46 is a hard disk device or other storage device.
- the respective components are connected to each other via a system bus 47.
- the auxiliary storage unit 46 stores programs for realizing the event reception unit 1, the event evaluation unit 3, the result output unit 5, and the event conflict resolution unit 6 shown in FIG.
- auxiliary storage unit 46 is used as a storage area for the rule storage unit 2 and the event storage unit 4.
- the rule storage unit 2 and the event storage unit 4 may use only the main storage unit 42 without using the auxiliary storage unit 46.
- the event receiving means 1 acquires data handled as an event through the input unit 43 or the communication unit 45.
- the event processing device 40 is realized by hardware by mounting a circuit composed of hardware components such as LSI (Large Scale Integration) in which a program for realizing the function shown in FIG. 1 is incorporated. May be.
- LSI Large Scale Integration
- the event processing device 40 may be realized by software by causing the CPU 41 of the computer to execute a program that provides the function shown in FIG.
- the CPU 41 loads the program stored in the auxiliary storage unit 46 to the main storage unit 42 and executes it, thereby controlling the operation of the event processing device 40, whereby each function is realized by software.
- the communication unit 45 is connected to peripheral devices and has a function of transmitting and receiving data.
- an external storage device 48 is connected to the event processing device 40 via a network.
- the event receiving means 1 may acquire the event stored in the external storage device 48 by inputting it to the communication unit 45 via the network. Further, data including the composite event output by the result output unit 5 may be stored in the external storage device 48.
- the user can resolve contention between events input individually by sequential processing.
- FIG. 8 is a block diagram showing the configuration of the event processing device 30 according to the second embodiment of the present invention.
- the event processing device 30 is obtained by adding the event retention deadline updating means 7 to the event processing device 10 according to the first embodiment of the present invention, and other components are common to the event processing device 10.
- the event retention period update unit 7 matches the retention period for retaining past events in the event storage unit 4 associated with the entire rule including the rule that matches the received latest event with the retention period of the latest event. Update. Further, the event retention period update unit 7 may delete an event whose retention period has expired.
- the initial retention period of the received event is set to the later date / time of the date / time six hours after the date / time of reception and the event occurrence date / time described in the received event.
- the retention period of the event e1 is 21:16:19 on July 30, 2012, six hours after reception.
- the event e2 is received, and the event e2 conforms to the same rule as the event e1, so that the event evaluator 3 determines that the event e2 is related to the event e1.
- the retention period of the event e1 is updated by the event retention period update unit 7 to July 31, 2012, 02:39:40, which is the same retention period as the event e2.
- the event retention period update unit 7 similarly sets the retention period of the event e1 and the event e2 to be the same as the event occurrence date and time specified in the event e3. Updated just when.
- the event processing device 30 according to the second embodiment of the present invention is realized by the hardware configuration shown in FIG. 7 as with the event processing device 10 according to the first embodiment.
- the event retention deadline updating means 7 that is not included in the event processing apparatus 10 and is a component of the event processing apparatus 30 is stored as a program in the auxiliary storage unit 46 shown in FIG.
- the event retention period update unit 7 is realized by software.
- the event retention time update means 7 is implemented by hardware by being implemented as a circuit made of hardware components such as LSI.
- the event processing device 30 when the event processing device 30 further including the event retention deadline updating means 7 is used, the event retention deadline is continuously updated while related events are continuously received. Therefore, old events are never deleted due to expiration. Therefore, the event processing device 30 can use all the information held by past related events.
- FIG. 9 is a block diagram showing an outline of the event processing apparatus according to the present invention.
- the event processing apparatus 50 according to the present invention includes an event data storage unit 51 (for example, event storage unit 4), an event evaluation unit 52 (for example, event evaluation unit 3), and an event conflict resolution unit 53 (for example, event conflict resolution unit). 6).
- event data storage unit 51 for example, event storage unit 4
- event evaluation unit 52 for example, event evaluation unit 3
- event conflict resolution unit 53 for example, event conflict resolution unit
- the event data storage means 51 stores a set of event data associated with each other according to a predetermined condition (for example, subrule 1) until a predetermined retention period.
- a predetermined condition for example, subrule 1
- the event evaluation means 52 includes the event data as new event data when the newly input event data satisfies a predetermined condition.
- the event conflict resolving unit 53 determines whether the new event data is between attribute values for attributes common to other event data included in the set (for example, attribute values other than the event date and event location in the subrule 1). If the conflict data is a conflict data, the conflict data is excluded from the set.
- the event processing apparatus 50 may include an event retention period update unit that updates the retention period of event data associated with a predetermined condition in accordance with the retention period of newly input event data.
- the event conflict resolution unit 53 determines whether or not a specific attribute is conflict data when determining whether or not the common attribute value is different between event data associated with each other according to a predetermined condition. You may exclude from the object to judge.
- the event processing device 50 includes a result output unit that outputs a composite event that is an analysis result obtained by analyzing a set of event data, and the event evaluation unit 52 determines whether to generate a composite event according to a predetermined condition. Then, the composite event may be generated, and the result output unit may output the generated composite event.
- the event processing device 50 includes a rule storage unit that stores a concept dictionary that defines a relationship between one attribute or another attribute value derived from the attribute value and the attribute value, and the event evaluation unit 52 includes new event data. Based on the included attribute or attribute value, other attributes and attribute values are expanded from the concept dictionary, and the event conflict resolution unit 53 determines whether the new event data is conflict data using the expanded attributes and attribute values. You may do it.
- the present invention is preferably applied to a composite event processing apparatus to which data representing a plurality of events that can include contents that cause duplication or contradiction are input.
- Event processing device DESCRIPTION OF SYMBOLS 1 Event reception means 2 Rule storage means 3 Event evaluation means 4 Event storage means 5 Result output means 6 Event contention resolution means 7 Event holding time limit update means 10 Event processing device 20 Complex event processing device (CEP processing device) 30 Event processing device 40 Event processing device 41 CPU 42 Main Storage Unit 43 Input Unit 44 Output Unit 45 Communication Unit 46 Auxiliary Storage Unit 47 System Bus 48 External Storage Device 50 Event Processing Device 51 Event Data Storage Unit 52 Event Evaluation Unit 53 Event Conflict Resolution Unit
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Abstract
Description
そのため、それら常時大量に発信されるデータを、リアルタイムに解析する複合イベント処理(以下、CEP(Complex Event Processing)と称することがある)技術に対する期待が高まっている。
以下、本発明の第1の実施形態を図面を参照して説明する。図1は、本発明による第1の実施形態におけるイベント処理装置の構成例を示すブロック図である。図1に示すイベント処理装置10は、イベント受信手段1と、ルール記憶手段2と、イベント評価手段3と、イベント記憶手段4と、結果出力手段5と、イベント競合解消手段6とを備えている。
次に、本発明の第2の実施形態を説明する。図8は、本発明による第2の実施形態におけるイベント処理装置30の構成を示すブロック図である。イベント処理装置30は、本発明の第1の実施形態に係るイベント処理装置10にイベント保持期限更新手段7が追加されたものであり、その他の構成要素はイベント処理装置10と共通である。
2 ルール記憶手段
3 イベント評価手段
4 イベント記憶手段
5 結果出力手段
6 イベント競合解消手段
7 イベント保持期限更新手段
10 イベント処理装置
20 複合イベント処理装置(CEP処理装置)
30 イベント処理装置
40 イベント処理装置
41 CPU
42 主記憶部
43 入力部
44 出力部
45 通信部
46 補助記憶部
47 システムバス
48 外部記憶装置
50 イベント処理装置
51 イベントデータ記憶手段
52 イベント評価手段
53 イベント競合解消手段
Claims (9)
- 所定の条件によって互いに対応付けられたイベントデータの集合を所定の保持期限まで記憶するイベントデータ記憶手段と、
新規に入力されたイベントデータが前記所定の条件を満たす場合に当該イベントデータを新規イベントデータとして前記集合に含めるイベント評価手段と、
前記新規イベントデータが、前記集合に含まれる他のイベントデータとの間で共通する属性に対する各々の属性値の間に競合が生じる競合データである場合に、当該競合データを前記集合から除外するイベント競合解消手段とを備えた
ことを特徴とするイベント処理装置。 - 所定の条件に対応付けられたイベントデータの保持期限を、新規に入力されたイベントデータの保持期限に合わせて更新するイベント保持期限更新手段を備えた
請求項1に記載のイベント処理装置。 - イベント競合解消手段は、所定の条件によって互いに対応付けられたイベントデータ間で、共通する属性の値が異なる競合データか否かを判断する際に、特定の属性については競合データか否かを判断する対象から除外する
請求項1または請求項2に記載のイベント処理装置。 - イベントデータの集合を解析した解析結果である複合イベントを出力する結果出力手段を備え、
イベント評価手段は、所定の条件によって前記複合イベントを生成するか否かを判断して、当該複合イベントを生成し、
前記結果出力手段は、生成された複合イベントを出力する
請求項1から請求項3のうちのいずれか1項に記載のイベント処理装置。 - 一の属性または属性値から導き出される他の属性および属性値との関係を規定した概念辞書を記憶するルール記憶手段を備え、
イベント評価手段は、新規イベントデータに含まれる属性または属性値に基づいて前記概念辞書から他の属性及び属性値を展開し、
イベント競合解消手段は、展開された属性及び属性値を用いて新規イベントデータが競合データか否かを判断する
請求項1から請求項4のうちのいずれか1項に記載のイベント処理装置。 - 所定の条件によって互いに対応付けられたイベントデータの集合を所定の保持期限まで記憶し、
新規に入力されたイベントデータが前記所定の条件を満たす場合に当該イベントデータを新規イベントデータとして前記集合に含め、
前記新規イベントデータが、前記集合に含まれる他のイベントデータとの間で共通する属性に対する各々の属性値の間に競合が生じる競合データである場合に、当該競合データを前記集合から除外する
ことを特徴とするイベント処理方法。 - 所定の条件に対応付けられたイベントデータの保持期限を、新規に入力されたイベントデータの保持期限に合わせて更新する
請求項6に記載のイベント処理方法。 - コンピュータに、
所定の条件によって互いに対応付けられたイベントデータの集合を所定の保持期限まで記憶するイベントデータ記憶処理、
新規に入力されたイベントデータが前記所定の条件を満たす場合に当該イベントデータを新規イベントデータとして前記集合に含めるイベント評価処理、および、
前記新規イベントデータが、前記集合に含まれる他のイベントデータとの間で共通する属性に対する各々の属性値の間に競合が生じる競合データである場合に、当該競合データを前記集合から除外するイベント競合解消処理
を実行させるためのイベント処理プログラム。 - コンピュータに、
所定の条件に対応付けられたイベントデータの保持期限を、新規に入力されたイベントデータの保持期限に合わせて更新するイベント保持期限更新処理を実行させる
請求項8に記載のイベント処理プログラム。
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US14/434,972 US20150278722A1 (en) | 2012-10-17 | 2013-09-04 | Event processing device, event processing method, and event processing program |
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