CN105025305A - IPTV picture file requesting, sending method and apparatus - Google Patents
IPTV picture file requesting, sending method and apparatus Download PDFInfo
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- CN105025305A CN105025305A CN201410164521.0A CN201410164521A CN105025305A CN 105025305 A CN105025305 A CN 105025305A CN 201410164521 A CN201410164521 A CN 201410164521A CN 105025305 A CN105025305 A CN 105025305A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000004044 response Effects 0.000 claims description 12
- 230000006870 function Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000009897 systematic effect Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 238000004590 computer program Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/278—Content descriptor database or directory service for end-user access
Abstract
The invention discloses IPTV picture file requesting, sending methods and an apparatus. The IPTV picture file requesting method comprises the following steps of responding to a picture request and judging whether there is a picture file requested by the picture request locally; if no, redirecting the picture request to a picture server used for storing picture files. By means of the method, a large number of picture files are prevented from being stored in an EPG.
Description
Technical field
The present invention relates to the communications field, in particular to the request of a kind of IPTV (Internet Protocol Television, referred to as IPTV) picture file, sending method and device.
Background technology
In IPTV system, the picture files such as the program placard of user, channel station symbol and column placard are showed all to leave electronic program list (Electronic Programmer Guide in, referred to as EPG) on server local disk, each EPG server deposits a large amount of picture files.And increase gradually along with IPTV number of users, the quantity of backstage EPG server is also along with increasing gradually.
Fig. 1 is the schematic diagram accessed according to the IPTV system picture file of correlation technique, as shown in Figure 1, the picture file acquiescences such as all program columns upload to valut file transfer protocol (FTP) (File Transfer Protocol, referred to as FTP) server, the timing of EPG server goes increment on valut ftp server to obtain the picture that valut upgrades, and keeps EPG server local consistent with the picture number of valut ftp server.When terminal is to EPG server request picture file, EPG server directly returns the picture file left in local picture valut.
Each EPG server will be deposited the picture of magnanimity, and each EPG also to be timed to synchronous picture on valut FTP.Consequently leads to two large problems: one, every platform EPG server all stores all picture files, huge memory space can be taken; Its two, system I/O (I/O) more or less can be taken when each picture file is synchronous, and due to EPG server and the quantity of picture own many, picture file there will be synchronous abnormality, to cause on EPG server picture disappearance.
Summary of the invention
Take up room for storing IP TV picture file in EPG server and reduce the problem of systematic function, the invention provides a kind of request of IPTV picture file, sending method and device, at least to solve the problem.
According to an aspect of the present invention, provide a kind of requesting method of IPTV picture file, comprising: the request of response picture, judge the local picture file that whether there is described picture request and ask; If not, described picture request is redirected to picture servers, wherein said picture servers is used for picture file.
Preferably, said method also comprises: if send the picture file that described picture request is asked.
Preferably, said method also comprises: if not, obtains from described picture servers the picture file that described picture request asks.
According to another aspect of the present invention, provide a kind of sending method of IPTV picture file, comprising: the picture request be redirected receiving EPG server; The picture file that described picture request asks is sent to the terminal that described redirect request is corresponding.
Preferably, said method also comprises: send to described EPG server the picture file that described picture request asks.
Preferably, before sending to described EPG server the picture file that described picture request asks, also comprise: receive the picture download request that described EPG server sends, the picture file that wherein said picture download request is asked for asking to download described picture request.
According to a further aspect of the invention, providing a kind of request unit of IPTV picture file, comprising: judge module, for responding picture request, judging the local picture file that whether there is described picture request and ask; Request module, during for being no in judged result, is redirected to picture servers by described picture request, and wherein said picture servers is used for picture file.
Preferably, said apparatus also comprises: sending module, for when judged result is for being, sends the picture file that described picture request is asked.
Preferably, said apparatus also comprises: acquisition module, during for being no in judged result, obtains from described picture servers the picture file that described picture request asks.
According to another aspect of the present invention, provide a kind of dispensing device of IPTV picture file, comprising: receiver module, for receiving the picture request be redirected of electronic program EPG server; Sending module, sends for the terminal corresponding to described redirect request the picture file that described picture request asks.
Preferably, described sending module, also for sending the picture file that described picture request is asked to described EPG server.
Preferably, described receiver module, also for receiving the picture download request that described EPG server sends, the picture file that wherein said picture download request is asked for asking to download described picture request.
By the present invention, the request of response picture, judges whether this locality exists asked picture file; If not, this picture request is redirected to the picture servers for picture file, avoids and store a large amount of picture files on EPG.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram accessed according to the IPTV system picture file of correlation technique;
Fig. 2 is the flow chart of the requesting method of IPTV picture file according to the embodiment of the present invention;
Fig. 3 is the structured flowchart of the request unit of IPTV picture file according to the embodiment of the present invention;
Fig. 4 is the flow chart of the sending method of IPTV picture file according to the embodiment of the present invention;
Fig. 5 is the structured flowchart of the dispensing device of IPTV picture file according to the embodiment of the present invention;
Fig. 6 is the schematic diagram according to the preferred IPTV system picture file access of the embodiment of the present invention;
Fig. 7 is the flow chart of the processing method according to the preferred picture request of the embodiment of the present invention;
Fig. 8 is the flow chart of the method for down loading according to the preferred picture file of the embodiment of the present invention;
Fig. 9 is the flow chart of the creation method according to the preferred picture file of the embodiment of the present invention;
Figure 10 is the schematic diagram according to the preferred image acquisition method of the embodiment of the present invention; And
Figure 11 is according to the mutual schematic diagram of the embodiment of the present invention preferred picture request.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
In the examples below, server can comprise any server, comprises file server, database server and application server etc.Can be X86 server and non-X86 server etc., can the operating systems such as UNIX, Windows be run.Terminal can comprise the terminal in IPTV system, such as Set Top Box etc., and other-end, such as mobile terminal, panel computer etc.Terminal can run common system, such as iOS, Windows and Android etc.It is contemplated that the following method of the embodiment of the present invention, device can be realized by computer program element.
According to the embodiment of the present invention, provide a kind of requesting method of IPTV picture file.
Fig. 2 is the flow chart of the requesting method of IPTV picture file according to the embodiment of the present invention, and as shown in Figure 2, the method can comprise step S202 to step S204.
Step S202, the request of response picture, judges the local picture file that whether there is this picture request and ask.
Step S204, if not, is redirected to picture servers by above-mentioned picture request, and wherein this picture servers is used for picture file.
By the present invention, the request of response picture, judges the local picture file that whether there is above-mentioned picture request and ask; If not, this picture request is redirected to the picture servers for picture file, avoids and store a large amount of picture files on EPG, it also avoid the synchronous of picture simultaneously, improve systematic function.
In an execution mode of the embodiment of the present invention, if this locality exists the picture that above-mentioned picture request is asked, the picture file that this picture request is asked can be sent.
In embodiments of the present invention, if initiate above-mentioned picture request by terminal, can send to terminal the picture that picture request asks." this locality " in above-mentioned steps S202 can be local memory device (such as local disk etc.), also can be local cache, or other file layouts.
In an execution mode of the embodiment of the present invention, when this locality does not exist the picture file that above-mentioned picture request asks, can also obtain from picture servers the picture file that picture request asks.By this execution mode, can only obtain and preserve requested picture file, avoid the Timing Synchronization of picture file, and avoid and take a large amount of memory spaces.
Preferably, according to the access temperature of this picture file, the picture file of often access can be obtained, the response speed of picture file can be improved on the one hand, only obtain on the other hand and preserve the high picture file of access temperature, can avoid using a large amount of memory spaces.Those skilled in the art with reference to the access temperature of correlation technique determination picture file, can not repeat them here.
In an execution mode of the embodiment of the present invention, obtain from picture servers the picture file that above-mentioned picture request asks, can asynchronous system be adopted.
In an execution mode of the embodiment of the present invention, after the above-mentioned picture file of acquisition, this picture file can also be sent to requesting party.
According to the embodiment of the present invention, provide a kind of request unit of IPTV picture file.It is expected that this device can be realized by computer program element.
Fig. 3 is the structured flowchart of the request unit of IPTV picture file according to the embodiment of the present invention, and this device comprises as shown in Figure 3: judge module 10 and request module 20.Wherein, judge module 10, for responding picture request, judges the local picture file that whether there is this picture request and ask; Request module 20, during for being no in judged result, is redirected to picture servers by above-mentioned picture request, and wherein this picture servers is used for picture file.
By the present invention, the request of response picture, judges the local picture file that whether there is above-mentioned picture request and ask; If not, this picture request is redirected to the picture servers for picture file, avoids and store a large amount of picture files on EPG, it also avoid the synchronous of picture simultaneously, improve systematic function.
In an execution mode of the embodiment of the present invention, if this locality exists the picture that above-mentioned picture request is asked, the picture file that this picture request is asked can be sent.Said apparatus also comprises: sending module, during for there is picture file that above-mentioned picture request asks in this locality, sends the picture file that above-mentioned picture request is asked.
In embodiments of the present invention, if initiate above-mentioned picture request by terminal, sending module may be used for the picture of asking to the request of terminal transmission picture." this locality " in above-mentioned can be local memory device (such as local disk etc.), also can be local cache, or other file layouts.
In an execution mode of the embodiment of the present invention, when this locality does not exist the picture file that above-mentioned picture request asks, can also obtain from picture servers the picture file that picture request asks.Said apparatus also comprises: acquisition module, during for there is not picture file that above-mentioned picture request asks in this locality, obtains from picture servers the picture file that picture request asks.By this execution mode, can only obtain and preserve requested picture file, avoid the Timing Synchronization of picture file, and avoid and take a large amount of memory spaces.
Preferably, according to the access temperature of this picture file, the picture file of often access can be obtained, the response speed of picture file can be improved on the one hand, only obtain on the other hand and preserve the high picture file of access temperature, can avoid using a large amount of memory spaces.Those skilled in the art with reference to the access temperature of correlation technique determination picture file, can not repeat them here.
According to the embodiment of the present invention, provide a kind of sending method of IPTV picture file.
Fig. 4 is the flow chart of the sending method of IPTV picture file according to the embodiment of the present invention, and as shown in Figure 4, the method comprising the steps of S402 is to step S404.
Step S402, receives the picture request be redirected of EPG server.
Step S404, sends to the terminal that redirect request is corresponding the picture file that above-mentioned picture request asks.
By the embodiment of the present invention, receive the picture request of EPG server redirection, send the picture file of asking to terminal, avoid and store a large amount of picture files on EPG, avoid multiple EPG server sync picture file simultaneously, improve systematic function.
In an execution mode of the embodiment of the present invention, after receiving the picture request be redirected of EPG server, the picture file can also asked to the request of this EPG server transmission picture.By this execution mode, the picture file of request can be sent to EPG server, terminal directly can obtain picture file from EPG server, improves system response time.
In a preferred implementation of the embodiment of the present invention, before the picture file that the request of EPG server transmission picture is asked, the picture download request that EPG server sends can also be received, wherein this picture download request picture file of asking for asking download pictures request.
Preferably, according to the access temperature of this picture file, can obtain/send the picture file of often access, the response speed of picture file can be improved on the one hand, only obtain on the other hand and preserve the high picture file of access temperature, can avoid using a large amount of memory spaces.Those skilled in the art with reference to the access temperature of correlation technique determination picture file, can not repeat them here.
According to the embodiment of the present invention, provide a kind of dispensing device of IPTV picture file.It is expected that this device can be realized by computer program element.
Fig. 5 is the structured flowchart of the dispensing device of IPTV picture file according to the embodiment of the present invention, and as shown in Figure 5, this device comprises: receiver module 30 and sending module 40.Wherein, receiver module 30, for receiving the picture request be redirected of EPG server; Sending module 40, for the picture file that the terminal transmission picture request corresponding to redirect request is asked.
By the embodiment of the present invention, receive the picture request of EPG server redirection, send the picture file of asking to terminal, avoid and store a large amount of picture files on EPG, avoid multiple EPG server sync picture file simultaneously, improve systematic function.
In an execution mode of the embodiment of the present invention, after receiving the picture request be redirected of EPG server, the picture file can also asked to the request of this EPG server transmission picture.Above-mentioned sending module 40, also for sending the picture file that picture request is asked to EPG server.By this execution mode, the picture file of request can be sent to EPG server, terminal directly can obtain picture file from EPG server, improves system response time.
In a preferred implementation of the embodiment of the present invention, before the picture file that the request of EPG server transmission picture is asked, the picture download request that EPG server sends can also be received, wherein this picture download request picture file of asking for asking download pictures request.Above-mentioned receiver module 30, also for receiving the picture download request that EPG server sends.
Below a preferred implementation of the embodiment of the present invention is described.
Fig. 6 is the schematic diagram according to the preferred IPTV system picture file access of the embodiment of the present invention, as shown in Figure 6, in this preferred implementation, picture file used for IPTV system is placed in independent picture servers, when Set Top Box is to EPG server request picture, judge whether there is this pictorial information in EPG server local cache, if do not had, can check whether EPG server this locality exists this picture file, if do not had, can be redirected in picture servers by the mode of HTTP, the pictorial information returned in picture servers is returned to Set Top Box, picture is saved in local and buffer memory simultaneously, the picture in buffer memory and this locality can be used during the same pictures of request next time.
Terminal asks picture to EPG, and EPG finds do not have picture in local and buffer memory, be then redirected to http server, http server returns picture, afterwards picture is kept at WEB server this locality.
By this preferred implementation, CPU, IO and the disk space resource of EPG server can be saved, limited EPG resource can be used more fully in the service of user and goes.
Below the various aspects of this preferred implementation are described.
One, picture request interception function
In this preferred implementation, the interception of picture request can use the valve function of tomcat, by increasing the configuration of picture interception valve in the configuration file of tomcat, interrupts the normal pictures handling process of tomcat in this valve.
Fig. 7 is the flow chart of the processing method according to the preferred picture request of the embodiment of the present invention, and as shown in Figure 7, the method comprising the steps of S702 is to step S716.
Step S702, after picture interception valve intercepts picture request, gets URI by request message.
Step S704, checks whether existence using URI in the buffer as key, if existed, enters step S706, if there is no, enters step S710.
Step S706, checks that whether cache object is normal, if so, enters step S708, if not, enter step S710.
Step S708, the pictorial information in return cache, terminates.
Step S710, checks whether local file exists above-mentioned picture file, if so, enters step S712, if not, enters step S716.
Step S712, reads and returns local file.
Step S714, newly-increased pictorial information, to buffer memory, terminates.
Step S716, picture adds download queue, and is redirected to picture servers.
Two, picture postpones to download and create function
Need when picture does not exist in the buffer and local file does not have to download from picture servers yet, carry out asynchronous download by downloading task is joined in queue.Also get back in queue when picture creates file after downloading and carry out asynchronous establishment.
Fig. 8 is the flow chart of the method for down loading according to the preferred picture file of the embodiment of the present invention, and as shown in Figure 8, the method comprising the steps of S802 is to step S812.
Step S802, obtains downloading task from download queue.
Step S804, checks that whether download queue is empty, if so, enters step S806, if not, enters step S808.
Step S806, waits for 5S, returns step S802.
Step S808, is loaded into thread pool by downloading task.
Step S810, whether judgement adds successful, if enter step S812, if not, enters step S806.
Step S812, thread pool performs downloading task.
Execution downloading task comprises:
Step S812a, assembling URL.
Step S812b, by HTTP request picture servers, obtains picture byte stream after HTTP request success.
Step S812c take URI as key, and byte stream is that value joins image cache, then byte stream is joined document creation queue.
Step S812d, after adding queue success, notice downloads queue consuming thread.
Three, document creation queue processing flow process
Fig. 9 is the flow chart of the creation method according to the preferred picture file of the embodiment of the present invention, and as shown in Figure 9, the method comprising the steps of S902 is to step S912.
Step S902, creates queue from picture and obtains picture creation task.
Step S904, judges whether picture creation task is empty, if so, enters step S906, if not, enters step S908.
Step S906, consuming thread waits for 5 seconds, returns step S902.
Step S908, picture creation task joins in thread pool.
Step S910, whether judgement adds successful, if so, enters step S912, if not, returns step S906.
Step S912, thread pool performs picture creation task.
Perform picture creation task to comprise:
Step S912a, byte stream writing in files when picture creation task performs, being read when writing partial content for preventing file, first adding .bak suffix.
Step S912b, waits for and renaming after being write as merit again.
Step S912c, notice picture creates queue consuming thread.
Four, picture servers
Picture servers realizes by installing general http server on picture valut.After WEB server receives the HTTP request of terminal on the one hand, request message is redirected to http server, after http server processes message, returns pictorial information (as shown in Figure 10) to terminal; Http server receives the picture downloading task request from WEB server on the other hand, and by pictorial information to return to WEB server, pictorial information is saved in this locality (as shown in figure 11) by WEB server.
As can be seen from the above description, present invention achieves following technique effect: the request of response picture, judge the local picture file that whether there is above-mentioned picture request and ask; If not, this picture request is redirected to the picture servers for picture file, avoids and store a large amount of picture files on EPG, it also avoid the synchronous of picture simultaneously, improve systematic function.Can only obtain and preserve requested picture file, avoid the Timing Synchronization of picture file, and avoid and take a large amount of memory spaces.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a requesting method for IPTV picture file, is characterized in that, comprising:
The request of response picture, judges the local picture file that whether there is described picture request and ask;
If not, described picture request is redirected to picture servers, wherein said picture servers is used for picture file.
2. method according to claim 1, is characterized in that, also comprises:
If so, the picture file that described picture request is asked is sent.
3. method according to claim 1, is characterized in that, also comprises:
If not, obtain from described picture servers the picture file that described picture request asks.
4. a sending method for IPTV picture file, is characterized in that, comprising:
Receive the picture request be redirected of electronic program EPG server;
The picture file that described picture request asks is sent to the terminal that described redirect request is corresponding.
5. method according to claim 4, is characterized in that, also comprises:
The picture file that described picture request asks is sent to described EPG server.
6. method according to claim 5, is characterized in that, before sending the picture file that described picture request asks, also comprises to described EPG server:
Receive the picture download request that described EPG server sends, the picture file that wherein said picture download request is asked for asking to download described picture request.
7. a request unit for IPTV picture file, is characterized in that, comprising:
Judge module, for responding picture request, judges the local picture file that whether there is described picture request and ask;
Request module, during for being no in judged result, is redirected to picture servers by described picture request, and wherein said picture servers is used for picture file.
8. device according to claim 7, is characterized in that, also comprises:
Sending module, for when judged result is for being, sends the picture file that described picture request is asked.
9. device according to claim 7, is characterized in that, also comprises:
Acquisition module, during for being no in judged result, obtains from described picture servers the picture file that described picture request asks.
10. a dispensing device for IPTV picture file, is characterized in that, comprising:
Receiver module, for receiving the picture request be redirected of electronic program EPG server;
Sending module, sends for the terminal corresponding to described redirect request the picture file that described picture request asks.
11. devices according to claim 10, is characterized in that, described sending module, also for sending the picture file that described picture request is asked to described EPG server.
12. devices according to claim 11, is characterized in that, described receiver module, also for receiving the picture download request that described EPG server sends, the picture file that wherein said picture download request is asked for asking to download described picture request.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164521.0A CN105025305A (en) | 2014-04-22 | 2014-04-22 | IPTV picture file requesting, sending method and apparatus |
| PCT/CN2014/085583 WO2015161604A1 (en) | 2014-04-22 | 2014-08-29 | Method and device for requesting and sending iptv picture file |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410164521.0A CN105025305A (en) | 2014-04-22 | 2014-04-22 | IPTV picture file requesting, sending method and apparatus |
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| WO (1) | WO2015161604A1 (en) |
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| CN108074271A (en) * | 2017-12-04 | 2018-05-25 | 阿里巴巴集团控股有限公司 | Electronic information picture display method, device and computer storage media |
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| CN102685232A (en) * | 2012-05-14 | 2012-09-19 | 安科智慧城市技术（中国）有限公司 | Streaming media server-based multimedia file acquisition method and streaming media server |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108074271A (en) * | 2017-12-04 | 2018-05-25 | 阿里巴巴集团控股有限公司 | Electronic information picture display method, device and computer storage media |
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| WO2015161604A1 (en) | 2015-10-29 |
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