CN109741580A - A kind of multi-source warning information integrates sharing method and device - Google Patents

A kind of multi-source warning information integrates sharing method and device Download PDF

Info

Publication number
CN109741580A
CN109741580A CN201811628141.2A CN201811628141A CN109741580A CN 109741580 A CN109741580 A CN 109741580A CN 201811628141 A CN201811628141 A CN 201811628141A CN 109741580 A CN109741580 A CN 109741580A
Authority
CN
China
Prior art keywords
warning information
information data
warning
classification
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811628141.2A
Other languages
Chinese (zh)
Inventor
李季梅
姚晓晖
钱重阳
王光辉
李海鹏
田文慧
王尧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Municipal Institute of Labour Protection
Original Assignee
Beijing Municipal Institute of Labour Protection
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Municipal Institute of Labour Protection filed Critical Beijing Municipal Institute of Labour Protection
Priority to CN201811628141.2A priority Critical patent/CN109741580A/en
Publication of CN109741580A publication Critical patent/CN109741580A/en
Pending legal-status Critical Current

Links

Landscapes

  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

The embodiment of the present invention provides a kind of multi-source warning information and integrates sharing method and device, this method comprises: obtaining the first warning information data, and identification classification is carried out to the first warning information data, to obtain the second warning information data;External unit warning information data are obtained, to obtain early warning result information according to the second warning information data and the external unit warning information data.The embodiment of the present invention is identified by each first warning information data, obtain classification information, then classification processing is carried out to it according to classification information, to carry out effective integration to each first warning information data, can be convenient for preferably assessing security incident by warning information data;And external unit warning information is combined, more accurately to be judged to security incident.

Description

A kind of multi-source warning information integrates sharing method and device
Technical field
The present embodiments relate to technical field of information processing more particularly to a kind of multi-source warning information to integrate sharing method And device.
Background technique
With national economy improvement of living standard, naturally ornamental, rest that national park is built and managed as country The public domain played, it has also become public's visit and sightseeing, vacation tourism, health and happiness body-building and development science and culture etc. are movable important Playground.
However, burst injury personal safety and health, or damage equipment are set during the day-to-day operation of national park The unexpected burst park security incident applied, or cause economic loss, and then cause national park day-to-day operations activity impacted Constantly occur.The national park security incident to take place frequently seriously affects the sustainable and healthy development of national tourism and leisure industry.
Therefore, how effective integration is carried out according to the warning information to multi-source head and shares processing, have become industry urgently Problem to be solved.
Summary of the invention
The embodiment of the present invention provides a kind of multi-source warning information and integrates sharing method and device, to solve above-mentioned background skill The technical issues of being proposed in art, or at least partly solve technical problem mentioned above in the background art.
In a first aspect, the embodiment of the present invention provides a kind of integrated sharing method of multi-source warning information, comprising:
The first warning information data are obtained, and identification classification is carried out to the first warning information data, to obtain second Warning information data;
External unit warning information data are obtained, according to the second warning information data and the external unit early warning Information data obtains early warning result information.
Second aspect, the embodiment of the present invention provide a kind of integrated sharing means of multi-source warning information, comprising:
Categorization module carries out identification point for obtaining the first warning information data, and to the first warning information data Class, to obtain the second warning information data;
Sharing module, for obtaining external unit warning information data, according to the second warning information data and institute It states external unit warning information data and obtains early warning result information.
The third aspect, the embodiment of the present invention provides a kind of electronic equipment, including memory, processor and is stored in memory Computer program that is upper and can running on a processor, the processor are realized more as described in relation to the first aspect when executing described program Source warning information integrates the step of sharing method.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, are stored thereon with calculating Machine program realizes that multi-source warning information integrates sharing method as described in relation to the first aspect when the computer program is executed by processor Step.
The embodiment of the present invention provides a kind of multi-source warning information and integrates sharing method and device, passes through each first early warning and believes Breath data are identified, are obtained classification information, are then carried out classification processing to it according to classification information, thus pre- to each first Alert information data carries out effective integration, can be convenient for preferably assessing security incident by warning information data;And it combines outer Portion's unit warning information, more accurately to be judged to security incident.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of integrated sharing method flow chart of multi-source warning information described in one embodiment of the invention;
Fig. 2 is a kind of integrated sharing means structural schematic diagram of multi-source warning information described in one embodiment of the invention;
Fig. 3 is electronic devices structure schematic diagram provided by one embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of integrated sharing method flow chart of multi-source warning information described in one embodiment of the invention, such as Fig. 1 institute It states, comprising:
Step 110, the first warning information data are obtained, and identification classification is carried out to the first warning information data, with Obtain the second warning information data;
Step 120, external unit warning information data are obtained, according to the second warning information data and the outside Unit warning information data obtain early warning result information.
Step 110 is specifically, the first warning information data described in the embodiment of the present invention can refer to that sensor is believed Cease data, text data information and video information data;Wherein, it can be sensed by ground quality detection in sensor information data Device, air detecting sensors, hydraulic pressure water quality detection sensor, temperature sensor and infrared heat sensor etc. are obtained;It obtains When taking sensing data, categories of sensors information and number information can be obtained simultaneously;It therefore include each biography in sensor information data Sensor data and its corresponding categories of sensors information and number information.
Wherein described video information data can be obtained by video detector, obtain each video information data When, the number information of video monitor can be obtained simultaneously, therefore video information data includes video information video prison corresponding with its Control device number information.
Step 120 is specifically, external unit warning information data described in the embodiment of the present invention can refer to government Part Relational database content, wherein Relational database content in government part can refer to State Seismological Bureau's database information and state Weather bureau, family database information etc..
When getting external unit warning information data, while its corresponding data characteristic information can be obtained, therefore each A external unit warning information data include its data characteristic information;It can be pre- by external unit according to its data characteristic information Alert information data is categorized into corresponding category classification.
Second warning information data described in the embodiment of the present invention can be by natural calamity detection warning information, again Major break down disaster detects warning information, public health event detection warning information and social security events and detects warning information institute group At.
Category classification information is obtained according to the classification information of each sensing data in the first warning information data, according to The classification information and number information of each sensing data classify sensing data according to category classification information respectively Then processing carries out classification processing according to the number information in video information data, finally to respectively obtain natural calamity detection Warning information, major accident disaster detection warning information, public health event detection warning information and social security events detection Warning information.
Natural calamity detection warning information, major accident disaster detection warning information, public health event detection at this time Warning information and social security events detection warning information can be and be respectively stored in different databases, then pass through data It extracts, convert and loads, obtain the second warning information data, and be finally deposited into a data warehouse.
The embodiment of the present invention is identified by each first warning information data, classification information is obtained, then according to class Other information carries out classification processing to it, so that effective integration is carried out to each first warning information data, it can be convenient for better Security incident is assessed by warning information data;And external unit warning information is combined, more accurately to be done to security incident Judge out.
On the basis of the above embodiments, the first warning information data include sensor information data, passenger flow data Information and video information data.
Specifically, wherein described sensor information data can be and be obtained by way of wireless network, it can also Being obtained by wired mode;Passenger flow data information described in the embodiment of the present invention can be passenger flow monitor equipment into Row typing;Video information data described in the embodiment of the present invention can be used for obtaining traffic route information, passenger flow position Information and intensity of passenger flow information etc..
Sensor information data, passenger flow data information and video information data described in the embodiment of the present invention are conducive to The progress of subsequent step.
On the basis of the above embodiments, described that identification classification is carried out to the first warning information data, to obtain It the step of two warning information data, specifically includes:
The first warning information data are analyzed, to obtain category classification information;
Classification processing is carried out to the first warning information data according to the category classification information, to obtain the second early warning Information data.
Specifically, category classification information described in the embodiment of the present invention may include natural calamity detection early warning class Not, major accident disaster detection early warning classification, public health event detection early warning classification and social security events detect early warning class Not.
The classification information of each sensing data in first warning information data is analyzed and processed to obtain classification point Category information believes sensing data according to the classification information of each sensing data and number information according to category classification respectively Breath carries out classification processing, then carries out classification processing according to the number information in video information data, finally to respectively obtain certainly Right disaster detection warning information, major accident disaster detection warning information, public health event detection warning information and society's peace Total event detects warning information.
Natural calamity detection warning information, major accident disaster detection warning information, public health event detection at this time Warning information and social security events detection warning information can be and be respectively stored in different databases, then pass through data It extracts, convert and loads, obtain the second warning information data, and be finally deposited into a data warehouse.
The embodiment of the present invention is analyzed to obtain category classification information by the classification information of sensing data, then by One warning information data are classified according to category classification information, to obtain each data of classifying, are counted at this time to it The second warning information data are finally obtained according to extraction, conversion and load, active set is carried out to each first warning information data At can be convenient for preferably assessing security incident by warning information data.
On the basis of the above embodiments, the category classification information includes natural calamity detection early warning classification, great thing Therefore disaster detection early warning classification, public health event detection early warning classification and social security events detect early warning classification.
Specifically, natural calamity detection early warning classification may include address disaster information, pollution category information, forest Fire cause class information, meteorological disaster classification information, Marine Natural Disaster classification information and biological epidemics classification information;Major accident Disaster detection early warning classification information may include traffic accident classification information, fire explosion classification information, electrical hazard classification letter Breath, harmful influence type of fault information and garden facility damage classification information;Public health monitoring and warning classification may include poisoning Event category information and the unknown disease category information of group;Wherein social security events monitoring and warning classification may include group Property tread event classification information, violence terrorist incident classification information, social unrest event category information and great social security thing Part classification information.
By category classification information, the first warning information data for being can be obtained preferably at classification the embodiment of the present invention Reason, is conducive to the progress of subsequent step.
On the basis of the above embodiments, described to be believed according to the second warning information data and the external unit early warning The step of breath data obtain early warning result information specifically includes:
Classification processing is carried out to the external unit warning information data according to the category classification information, to obtain outside Unit warning information classification data;
The external unit warning information classification data and the second warning information data are subjected to matching treatment, obtained Early warning result information.
Specifically, external unit warning information data described in the embodiment of the present invention can refer to that government part is related Data-base content, wherein Relational database content in government part can refer to State Seismological Bureau's database information and National Meteorological Bureau Database information etc..
When getting external unit warning information data, while its corresponding data characteristic information can be obtained, therefore each A external unit warning information data include its data characteristic information;It can be pre- by external unit according to its data characteristic information Alert information data is categorized into corresponding category classification.
Internal sorting in the classification information of external unit warning information classification data and the second warning information data at this time It is identical, then redundancy provided by external unit warning information classification data and the second warning information data are weighted As a result processing is used as fusion value, further obtains early warning result information.
The embodiment of the present invention carries out data set with the second warning information data by obtaining external warning information, by it At so as to more accurately be judged to security incident.
On the basis of the above embodiments, the embodiment of the invention also includes, it is assumed that will collect and be transferred to monitoring system (wherein i (i=1,2 ..., m) is i-th of sensor by information data Nij that all information sources generate;J (j=1,2 ..., n) be The j-th strip information data of the sensor) classified according to data information fields.For example, for gas concentration sensor, The information that the apparatus systems such as smoke sensor device are generated and transmitted is sorted out it by ' gas concentration ', for Temperature Humidity Sensor, wet The humidity that the apparatus systems such as degree sensor are generated and transmitted is sorted out its information by ' humidity '.By information Nij identification classification processing For Apj, wherein p (p=1,2 ..., n) is information data classification, and j (j=1,2 ..., n) is in i-th of information data classification J-th strip information data.
The embodiment of the present invention is by classifying the first warning information data according to category classification information, to be divided The each data of class finally obtain the second warning information data carrying out data pick-up, conversion and load to it at this time, to each First warning information data carry out effective integration, can be convenient for preferably assessing security incident by warning information data.
Fig. 2 is a kind of integrated sharing means structural schematic diagram of multi-source warning information described in one embodiment of the invention, such as Shown in Fig. 2, including test module 210 and correction module 220;
Wherein, test module 210 is carried out for obtaining the first warning information data, and to the first warning information data Identification classification, to obtain the second warning information data;Wherein, correction module 220 is used to obtain external unit warning information data, To obtain early warning result information according to the second warning information data and the external unit warning information data.
Device provided in an embodiment of the present invention is for executing above-mentioned each method embodiment, detailed process and detailed content Above-described embodiment is please referred to, details are not described herein again.
The embodiment of the present invention is identified by each first warning information data, classification information is obtained, then according to class Other information carries out classification processing to it, so that effective integration is carried out to each first warning information data, it can be convenient for better Security incident is assessed by warning information data;And external unit warning information is combined, more accurately to be done to security incident Judge out.
Fig. 3 is electronic devices structure schematic diagram provided by one embodiment of the invention, as shown in figure 3, the electronic equipment can To include: processor (processor) 301,302, memory communication interface (Communications Interface) (memory) 303 and communication bus 304, wherein processor 301, communication interface 302, memory 303 pass through communication bus 304 Complete mutual communication.Processor 301 can call the logical order in memory 303, to execute following method: obtain the One warning information data, and identification classification is carried out to the first warning information data, to obtain the second warning information data;It obtains External unit warning information data are taken, to obtain according to the second warning information data and the external unit warning information data To early warning result information.
In addition, the logical order in above-mentioned memory 303 can be realized by way of SFU software functional unit and conduct Independent product when selling or using, can store in a computer readable storage medium.Based on this understanding, originally Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for the technical solution of invention The form of software product embodies, which is stored in a storage medium, including some instructions to So that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation of the present invention The all or part of the steps of example the method.And storage medium above-mentioned include: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. it is various It can store the medium of program code.
The embodiment of the present invention discloses a kind of computer program product, and the computer program product is non-transient including being stored in Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt When computer executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example, obtains the first early warning Information data, and identification classification is carried out to the first warning information data, to obtain the second warning information data;It obtains external Unit warning information data, to obtain early warning according to the second warning information data and the external unit warning information data Result information.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage medium The instruction of matter storage server, the computer instruction make computer execute a kind of multi-source warning information collection provided by above-described embodiment At sharing method, for example, obtain the first warning information data, and carry out identification point to the first warning information data Class, to obtain the second warning information data;External unit warning information data are obtained, according to the second warning information data Early warning result information is obtained with the external unit warning information data.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member It is physically separated with being or may not be, component shown as a unit may or may not be physics list Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features; And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and Range.

Claims (8)

1. a kind of multi-source warning information integrates sharing method characterized by comprising
The first warning information data are obtained, and identification classification is carried out to the first warning information data, to obtain the second early warning Information data;
External unit warning information data are obtained, according to the second warning information data and the external unit warning information Data obtain early warning result information.
2. method according to claim 1, which is characterized in that the first warning information data include sensor information number According to, passenger flow data information and video information data.
3. method according to claim 2, which is characterized in that described to carry out identification point to the first warning information data Class the step of to obtain the second warning information data, specifically includes:
The first warning information data are analyzed, to obtain category classification information;
Classification processing is carried out to the first warning information data according to the category classification information, to obtain the second warning information Data.
4. method according to claim 3, which is characterized in that the category classification information includes natural calamity detection early warning class Not, major accident disaster detection early warning classification, public health event detection early warning classification and social security events detect early warning class Not.
5. method according to claim 3, which is characterized in that described according to the second warning information data and the outside The step of unit warning information data obtain early warning result information specifically includes:
Classification processing is carried out to the external unit warning information data according to the category classification information, to obtain external unit Warning information classification data;
The external unit warning information classification data and the second warning information data are subjected to matching treatment, obtain early warning Result information.
6. a kind of multi-source warning information integrates sharing means characterized by comprising
Categorization module for obtaining the first warning information data, and carries out identification classification to the first warning information data, with Obtain the second warning information data;
Sharing module, for obtaining external unit warning information data, according to the second warning information data and described outer Portion's unit warning information data obtain early warning result information.
7. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor Machine program, which is characterized in that the processor realizes that the multi-source as described in any one of claim 1 to 5 is pre- when executing described program The step of alert information integration sharing method.
8. a kind of non-transient computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer journey The step of multi-source warning information integrates sharing method as described in any one of claim 1 to 5 is realized when sequence is executed by processor.
CN201811628141.2A 2018-12-28 2018-12-28 A kind of multi-source warning information integrates sharing method and device Pending CN109741580A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811628141.2A CN109741580A (en) 2018-12-28 2018-12-28 A kind of multi-source warning information integrates sharing method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811628141.2A CN109741580A (en) 2018-12-28 2018-12-28 A kind of multi-source warning information integrates sharing method and device

Publications (1)

Publication Number Publication Date
CN109741580A true CN109741580A (en) 2019-05-10

Family

ID=66362036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811628141.2A Pending CN109741580A (en) 2018-12-28 2018-12-28 A kind of multi-source warning information integrates sharing method and device

Country Status (1)

Country Link
CN (1) CN109741580A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111627211A (en) * 2019-02-28 2020-09-04 通用汽车环球科技运作有限责任公司 Method for determining priority of reception process of cooperative sensor shared object

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102881125A (en) * 2012-09-25 2013-01-16 杭州立高科技有限公司 Alarm monitoring system based on multi-information fusion centralized processing platform
CN103164920A (en) * 2011-12-19 2013-06-19 竞陆电子(昆山)有限公司 Automatic fire behavior alarming and informing device
CN103456136A (en) * 2013-09-18 2013-12-18 戴会超 Internet of Things framework type system for monitoring and early warning of major accident potential safety hazards of water conservancy and hydropower project
CN106529817A (en) * 2016-11-17 2017-03-22 国信优易数据有限公司 Disaster information service platform and information service system
US20180317076A1 (en) * 2016-02-13 2018-11-01 At&T Intellectual Property I, L.P. Methods, Systems, and Products for Security Services

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103164920A (en) * 2011-12-19 2013-06-19 竞陆电子(昆山)有限公司 Automatic fire behavior alarming and informing device
CN102881125A (en) * 2012-09-25 2013-01-16 杭州立高科技有限公司 Alarm monitoring system based on multi-information fusion centralized processing platform
CN103456136A (en) * 2013-09-18 2013-12-18 戴会超 Internet of Things framework type system for monitoring and early warning of major accident potential safety hazards of water conservancy and hydropower project
US20180317076A1 (en) * 2016-02-13 2018-11-01 At&T Intellectual Property I, L.P. Methods, Systems, and Products for Security Services
CN106529817A (en) * 2016-11-17 2017-03-22 国信优易数据有限公司 Disaster information service platform and information service system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111627211A (en) * 2019-02-28 2020-09-04 通用汽车环球科技运作有限责任公司 Method for determining priority of reception process of cooperative sensor shared object
CN111627211B (en) * 2019-02-28 2022-08-09 通用汽车环球科技运作有限责任公司 Method for determining priority of reception process of cooperative sensor shared object

Similar Documents

Publication Publication Date Title
Hou et al. Automatic detection of welding defects using deep neural network
JP7178343B2 (en) How to set up safety inspection systems and safety inspection equipment
JP6867153B2 (en) Abnormality monitoring system
CN111045847B (en) Event auditing method, device, terminal equipment and storage medium
US9552570B2 (en) Document classification system, document classification method, and document classification program
CN106897738A (en) A kind of pedestrian detection method based on semi-supervised learning
CN106372572A (en) Monitoring method and apparatus
CN105577685A (en) Intrusion detection independent analysis method and system in cloud calculation environment
CN108833409A (en) webshell detection method and device based on deep learning and semi-supervised learning
CN111738044A (en) Campus violence assessment method based on deep learning behavior recognition
CN113760670A (en) Cable joint abnormity early warning method and device, electronic equipment and storage medium
CN114612755A (en) Fire detection method, fire detection system, electronic equipment and readable storage medium
KR102540208B1 (en) Fire detection method using deep learning
CN112396023A (en) Fire detection method based on machine learning
Ozdemir et al. Comparison of deep learning techniques for classification of the insects in order level with mobile software application
CN117975372B (en) Construction site safety detection system and method based on YOLOv and transducer encoder
CN109741580A (en) A kind of multi-source warning information integrates sharing method and device
Niloy et al. A novel disaster image data-set and characteristics analysis using attention model
CN113435753A (en) Enterprise risk judgment method, device, equipment and medium in high-risk industry
CN116310913B (en) Natural resource investigation monitoring method and device based on unmanned aerial vehicle measurement technology
CN117171512A (en) Malicious occupancy behavior detection method and device, storage medium and electronic equipment
CN111899138A (en) Teaching behavior analysis system and method based on big data
CA3069539C (en) Role-based perception filter
Khurat et al. An open-source based automatic car detection system using iot
CN106081911B (en) A kind of derrick crane on-line monitoring system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190510

RJ01 Rejection of invention patent application after publication