CN103093334A - Method of activity notice text recognition and transforming automatically into calendar term - Google Patents

Method of activity notice text recognition and transforming automatically into calendar term Download PDF

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Publication number
CN103093334A
CN103093334A CN 201110344694 CN201110344694A CN103093334A CN 103093334 A CN103093334 A CN 103093334A CN 201110344694 CN201110344694 CN 201110344694 CN 201110344694 A CN201110344694 A CN 201110344694A CN 103093334 A CN103093334 A CN 103093334A
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Prior art keywords
time
calendar
activity
text
activity notification
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CN 201110344694
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Chinese (zh)
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周超然
杜婷
肖颖华
刁媛
鲁文宇
曾庆鼎
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Priority to CN 201110344694 priority Critical patent/CN103093334A/en
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Abstract

The method of activity notice text recognition and transforming automatically into a calendar term is a method which can automatically analyze activity notice text information and generate the calendar term and belongs to the computer natural language process field. The purpose of the method of the activity notice text recognition and transforming automatically into the calendar term is that schedule information is extracted based on requirement of users from the activity notice text information with numerous and complex contents, and the calendar term is automatically generated, the trouble that users compile schedule arrangement manually is eliminated, and efficiency that users arrange and manage schedule is improved. The method of the activity notice text recognition and transforming automatically into the calendar term can enable three elements which comprise time, subject and location of the activity notice to be recognized and extracted, and thereby directly arranging in the column of time, subject and location relative to the calendar term. To the time element, the method of the activity notice text recognition and transforming automatically into the calendar term can further standardize different types of date and time forms, so that further processing and storing of computers are convenient. The method of the activity notice text recognition and transforming automatically into the calendar term breakthroughs the technological difficulty of time entity recognition in the natural language processing field, so that has the advantages of being strong in the activity notice text recognition and processing ability, capable of bringing a convenient and swift schedule arranging function for vast users, and having a wide market in the fields of both schedule arrangement and time management.

Description

The activity notification text identification also is automatically converted to the method for calendar item
Technical field
The invention belongs to the Computer Natural Language Processing field, be specifically related to a kind of identification activity notice and automatically activity notification be converted to the method for calendar item.
Background technology
The efficient wide-scale distribution of information has been brought up in the prosperity of modern information technologies, home-confined just affairs in this world as can be known.Yet just along with the upgrading of keeping reforming of infotech, it is incomparable huge that information flow becomes, and seeks Useful Information to information user and brought difficulty.This problem has not merely become the obstacle in personal lifestyle, more become social undertakings enhance productivity the major issue of having to face.Traditional processing mode comprises the filtering redundant information and extracts main information.For the filtering of information, need to analyze concrete social economic environment, this depends on huge workload.But the main contents of Extracting Information just are only that text is resolved, and comparatively speaking, workload has had significantly minimizing.Generally, for an activity notification text message, its topmost key element is the theme, time, place etc.And in fact, have relatively-stationary form and less variation through investigating the discovery time form.Therefore, from text, the time being extracted is a practicable imagination.And in the middle of the activity notification text, the theme of text also has the set form constraint, and this extraction that also is the theme provides possibility.At last, for the place that occurs in the activity notification text, based on preceding method, also can accomplish effective extraction.So, just simplified greatly the appearance form of activity notification text message, for people's life band rice facility.
Summary of the invention
The object of the invention is to fill up present stage for the technological gap of automatic extraction activity notification generation schedule aspect, thereby can reach calendar information and the automatic effect that generates calendar item in automatic extraction text.
The primary technical matters that method of the present invention mainly solves is to extract the calendar information that the user may need from the text message of content numerous and complicated.After obtaining the text message that comprises calendar content, the present invention analyzes and excavates content of text immediately, find out respectively the field of key elements such as comprising theme, time, place, again its (particularly time) is processed accordingly, extract and need the content that records in calendar item, the standardized format of pressing at last iCalender generate can compatible Google calendar etc. the ics file of multiple schedule software, reach thus the purpose that facilitates user record schedule and managing schedule.
After the present invention enabled, after having selected as the user related text that comprises calendar information, the present invention can extract the key messages such as theme about schedule, time, place automatically, then generates the schedule item and deposits in Google Calendar.
Main use step of the present invention is as follows:
● when the user need to record the related content in certain text message and generate calendar item, only need choose the activity notification text of wanting to generate calendar item, start the software that has used the method for the invention, selected content of text just will be processed as source text.
● after obtaining source text, the present invention begins its content is processed, extraction time, place, three kinds of morphemes of theme.For the time morpheme, according to the form that embodies of the time morpheme that is extracted, it is carried out standardization, as the time parameter of calendar item; Directly insert as place and subject information corresponding in calendar item for place and theme morpheme.After generating complete calendar item information, by the user interface demonstration of software.
● the user can carry out the Extraordinary change to the calendar item content that extracts by user interface, after confirming that content is accurate, can click preservation, the present invention can be according to the calendar item Information generation calendar item source file of final confirmation, deposit this locality in, the accounts information that perhaps arranges according to the user directly is published to calendar item in user's network calendar, to realize the centralized management of calendar.
The present invention has following advantage with respect to existing technology: the people of 21 century, not only will in the face of the various information of magnanimity in life, also will face busy daily routines.So and schedule becomes the important ring in people's life, and existing schedule software all needs the user manually to input calendar information, and the present invention can generate automatically by the analysis to text calendar item, can for the user according to self needs manual setting, greatly promote the efficient of subscriber calendar management again simultaneously.
The calendar item that the present invention simultaneously generates adopts international iCalendar calendar stores standard, by the multi-calendars such as Google Calendar management use compatibility, the calendar item that the user generates automatically by the present invention can be saved in these calendar management application, has greatly expanded the function of its calendar management.
Description of drawings
Fig. 1: element of time extraction process flow chart in text of the present invention
Fig. 2: time standard handling procedure block diagram of the present invention
Fig. 3: start time of the present invention and concluding time handling procedure block diagram
Fig. 4: place key element extraction process flow chart in text of the present invention
Fig. 5: subject element extraction process flow chart in text of the present invention
Specific implementation method
The extraction of time, place, theme the method can realize Chinese text by software on mobile phone and PC in.And unitized to the Time of Day form, and realize the function of place study warehouse-in.
Time extracts and processes
This part is carried out the automatic time extraction mainly for Chinese syntagma, and time format unification in original text is converted to standard format: " XXXX XX month XX day (week X) XX:XX ".Extract and conversion for the notification text such as meeting, the activity time of carrying out, have a processing to Fuzzy Time (as: tomorrow afternoons 5 point, next week is third-class).
At first carrying out the text time with reference to figure 1 extracts.First text is carried out standardization for the first time.Namely carry out following processing:
1. the capitalization Chinese figure is converted to the small letter arabic numeral.
2. Chinese branch, bracket are converted to English branch, bracket.
" a moment " change " 15 minutes " into, " partly " changes " 30 minutes " into,
4. " week " " week " changes " week " into, and " Sunday/day " " Zhou Tian/day " " Sunday/day " all is converted to " week 7 ".
5. all represent the word in concrete division of day and night in one day, are similar to AM, afternoon, evening etc., and all the space with the identical characters number replaces.And utilize array to carry out record to its position in text.
For having carried out standardized text for the first time, further find the issuing time place section in text, namely in text, last column contains free first paragraph.If there is such section, utilize " time format regular expression storehouse " that this section is word for word compared until find out this time, record its time type.And this time is carried out time point process (concrete disposal route sees below).If there is not such passage, this character string of issuing time is defaulted as " default ".As text, the time of further carrying out extracts with the remaining word of text.Utilize " time format regular expression storehouse " to compare for text, if find a time, preserve and the writing time type after, delete this time, and this position is set to sky, whether seeks thereafter life period section conjunction or symbol, as: " arriving ", "-" etc., and another time.If exist, after carrying out the processing identical with the last time, these two times are carried out the time period process (seeing for details hereinafter) and preserve.If do not exist, this time is carried out time point and process and preserve.Then return to start of text.
Text is carried out reciprocal time seeks and deletion, until in text without any time of form.The deadline extracts.
Carry out time point with reference to figure 2 and process, at first the time is carried out standardization for the second time, that is:
1. the symbol on all expressions days, as "-" "/" etc., be converted to " year " " moon " " day "
2. the time, the form that divides transfers " XX:XX " to
3. the arabic numeral with " week " back are changed to Chinese figure
4. the time that 2 bit digital is represented is changed to 4
5. the space in whole time morpheme character string is removed
At first judge whether this time is issuing time, if, should the time can not be Fuzzy Time, for its time type, utilize the machine time to carry out completion to this time, and be converted to the standard time.If not, at first breaking according to its time Discrimination of Types, whether it is Fuzzy Time, if at first based on issuing time, the time is calculated, and the year, month, day of time on completion date, week, the time, minute hexa-atomic element, if there is no issuing time, utilize the machine time to calculate completion, if not Fuzzy Time, directly utilize the completion of the machine time, form the standard time.Then, whether there is the division of day and night word in the investigation time, if exist the later word of 12 noon and concrete hour less than 12, hour key element of time added 12 hours, otherwise, do not carry out any processing.At last, for the standard time, judge whether according to the machine time expired, if expired, this time-out phase of mark, otherwise be left intact.
Carry out the time period with reference to figure 3 and process, carry out time point for the time 1 and process, obtain the standardization time 1.According to the 1 completion time 2 of time, and the time 2 is carried out the time point standardization, obtain the standard time 2.Make the form of time period be " time 1-time 2 "
Extract in the place
Ground point extracting method realization flow figure as shown in Figure 4: for one section notification text, carry out place identification and extraction: S1, it is carried out part format conversion (as ": " of Chinese form all being converted to ": " of English form, to reduce the difficulty of road sign word identification) according to following steps; S2, judge whether to exist place road sign word (as " place: ", " address: " etc.), if having, intercept the word after the road sign word, if only have delegation, take newline as end point, if more than delegation, take first fullstop as end point, as candidate locations 1.If there is no place road sign word, enter next step; S3, in full compare routine data storehouse, existing place, if matching value is arranged, as candidate locations 2, if do not have, enter next step; S4, in full compare the place learning database, if matching value is arranged, as candidate locations 3, if do not have, enter next step; S5, candidate locations 1,2,3 is all listed in the place column list of calendar item and selected for the user.If without candidate locations or without desirable candidate locations, the place of user manually being inputted hurdle, calendar item place joins in the learning database of place automatically.
Theme extracts
Theme extracting method realization flow figure as shown in Figure 5, the theme extraction step is as follows: S1, judge whether null and word are arranged after first newline, if having, intercept initial character to the word between first newline as candidate's theme 1, if no, enter next step; S2, judge whether second newline back has null and word, if have, whether the footline that judges again second text on newline has the time on date, if (judging that this time is " issuing time ") arranged, the intercepting initial character to the word between first newline as candidate's theme 2, if no, enter next step; S3, judge whether to exist title road sign word, if having, intercept the word after the road sign word, if only have delegation, take newline as end point, if more than delegation, take first fullstop as end point, as candidate's theme 3.If no, enter next step; S4, judge whether candidate's theme 1,2,3 does not all have, if all do not have, intercept the first row word or initial character to first fullstop and be the theme.

Claims (6)

1. an activity notification text identification and be automatically converted to the method for calendar item, comprise the steps: S1, when selected activity notification text and after starting the software of intercepting activity theme, when and where, the activity notification text enters background program, begins to resolve.Whether S2, inspection text formatting can identify form for having typically, extract respectively the parts such as relevant theme, time, place.S3, to the action message after processing, be shown in the schedule form of a standard contents such as the theme that represents action message, time, place and explanation that this form can be clear.S4, this is listed activity notification be stored in a general schedule document with this form, adopt international iCalendar standard data and time format during storage.
2. activity notification text identification according to claim 1 and be automatically converted to the method for calendar item, is characterized in that, is the form that word, text archives etc. can be selected on presentation mode in the notification text described in step S1.
3. activity notification text identification according to claim 1 and be automatically converted to the method for calendar item, is characterized in that, at the activity notification with characteristic feature described in step S2, refers to and can be notice from differentiating intuitively it.
4. whether activity notification text identification according to claim 1 and calendar technology, is characterized in that, there is a discriminatory analysis in logic in the time that lists in step S2, place etc., out-of-date from the issued state of time judgement notice.
5. activity notification text identification according to claim 4 and calendar technology, is characterized in that, the time place that allows to judge exists, and enters in step S3, S4.
6. activity notification text identification according to claim 4 and calendar technology, is characterized in that, in step S3, can edit the text after listing.
CN 201110344694 2011-11-04 2011-11-04 Method of activity notice text recognition and transforming automatically into calendar term Pending CN103093334A (en)

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