CN103294678B - Data based on lengthy content form store and access method and system - Google Patents
Data based on lengthy content form store and access method and system Download PDFInfo
- Publication number
- CN103294678B CN103294678B CN201210043397.3A CN201210043397A CN103294678B CN 103294678 B CN103294678 B CN 103294678B CN 201210043397 A CN201210043397 A CN 201210043397A CN 103294678 B CN103294678 B CN 103294678B
- Authority
- CN
- China
- Prior art keywords
- data
- content
- value
- key
- column
- 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.)
- Active
Links
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Storage Device Security (AREA)
Abstract
The data that embodiment of the present invention proposes based on lengthy content (LV) form store and access method and system.Storage means comprises: be first contents value Value by the data encoding of at least two row lengthy content LV forms, wherein every column data all comprises expression length thereof and content part, express the length that length thereof is used to indicate the content part of this column data, content part is for storing the content-data of this column data; Again contents value Value and its major key Key is stored in Key-Value memory storage.Embodiment of the present invention does not need complicated list structure to describe, and only uses simple LV encoding mechanism just can provide access by column model for user, achieves and supports that the Key-value of multiple row pattern stores.And embodiment of the present invention describes without the need to structure just can realize data access, also reduces data access complexity.
Description
Technical field
Embodiment of the present invention relates to technical field of data storage, more specifically, relates to a kind of data based on lengthy content (LV, Length-Value) form and stores and access method and system.
Background technology
Key-value distributed memory system inquiry velocity is fast, store data amount is large, it is high concurrent to support, is applicable to very much being inquired about by major key (Key), but can not carries out complicated condition query.If be aided with real-time search engine (Real-TimeSearchEngine) to carry out complex conditions retrieval, full-text search, just can substitute the relevant databases such as the lower MySQL of concurrency performance, reach high concurrent, high-performance, save the object of tens times of number of servers.Such as: the Key-value distributed storage being representative with MemcacheDB, TokyoTyrant, under concurrent connection up to ten thousand, inquiry at a high speed can be completed like a cork.
In the data access of Key-Value form traditional at present, first given major key Key, then obtains data Value.This mode is efficiently simple, but but cannot support the pattern of multiple row.Such as, when will store the information such as name, age, address of a student, must a data Value be become then to access in the lump name, age and geocoding, it be very inconvenient to use like this.If use multiple row pattern, be then similar to the table in database, need to build table in advance, and the structure of given table, so that each name arranged and type to be described.In this mode, data are code storage data blocks having certain length together, and structure describes then illustrate how to resolve these data, and what type such as first row is, what type secondary series is.Therefore, this pattern implements very complicated, can not for the memory storage of Key-Value model.
As can be seen here, specific structure description information is needed in the prior art for data content, therefore data structure is complicated, data decode needs to consume the more time, and arbitrary data all need fit structure to describe to do computing after could resolve and operate the content specifically arranged, therefore realize very complicated.
Summary of the invention
Embodiment of the present invention proposes a kind of date storage method based on lengthy content form, thus realizes supporting that the Key-value of multiple row pattern stores.
Embodiment of the present invention also proposed a kind of data-storage system based on lengthy content form, thus realizes supporting that the Key-value of multiple row pattern stores.
Embodiment of the present invention also proposed a kind of data access method based on lengthy content form, to reduce data access complexity.
Embodiment of the present invention also proposed a kind of data access system based on lengthy content form, to reduce data access complexity.
The concrete scheme of embodiment of the present invention is as follows:
Based on a date storage method for lengthy content form, the method comprises:
Be contents value Value by the data encoding of at least two row lengthy content LV forms, wherein every column data all comprises expression length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data;
Described contents value Value and its major key Key is stored in Key-Value memory storage.
Based on a data-storage system for lengthy content form, this system comprises:
Data encoding unit, data encoding for arranging LV forms by least two is contents value Value, wherein every column data all comprises expression length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data;
Key-Value memory storage, for storing described contents value Value and its major key Key.
A kind of data access method based on lengthy content form, the contents value Value of these data and its major key Key is stored in Key-Value memory storage, the contents value Value of these data comprises at least two column datas, wherein every column data all comprises expression length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, described content part is for storing the content-data of this column data, and the method comprises:
Receive inquiry request, in described inquiry request, comprise major key Key and inquiry row number;
From Key-Value memory storage, the contents value Value corresponding to this major key Key is obtained according to described major key Key;
According to described inquiry row number with express length thereof, from the content part of the respective column of this contents value Value, obtain content-data.
Based on a data access system for lengthy content form, this system comprises Key-Value memory storage and content-data addressed location, wherein:
Key-Value memory storage, for storing contents value Value and its major key Key of data, wherein the contents value Value of these data comprises at least two column datas, every column data all comprises expresses length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data;
Content-data addressed location, for receiving inquiry request, comprising major key Key and inquiry row number, and obtaining the contents value Value corresponding to this major key Key according to described major key Key in wherein said inquiry request; According to described inquiry row number, from the content part of the respective column of this contents value Value, obtain content-data.
As can be seen from technique scheme, in embodiments of the present invention, first be contents value Value by the data encoding of at least two row lengthy content LV forms, wherein every column data all comprises expression length thereof and content part, express the length that length thereof is used to indicate the content part of this column data, content part is for storing the content-data of this column data; And then contents value Value and its major key Key is stored in Key-Value memory storage.As can be seen here, after application embodiment of the present invention, do not need complicated list structure to describe, only use simple LV encoding mechanism just can provide access by column model for user, achieve and support that the Key-value of multiple row pattern stores.And embodiment of the present invention proposes data access method based on lengthy content form and system, describe without the need to structure and just can realize data access, therefore also reduce data access complexity.
Accompanying drawing explanation
Fig. 1 is according to the date storage method process flow diagram of embodiment of the present invention based on lengthy content (LV) form;
Fig. 2 is according to embodiment of the present invention single-row LV format data structure figure;
Fig. 3 is according to embodiment of the present invention multiple row LV format data structure figure;
Fig. 4 is according to the data storage system architecture figure of embodiment of the present invention based on LV form;
Fig. 5 is according to the data access method process flow diagram of embodiment of the present invention based on LV form;
Fig. 6 is according to the exemplary data schematic diagram of embodiment of the present invention based on the data access of LV form;
Fig. 7 is according to the data access system structural drawing of embodiment of the present invention based on LV form.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
In embodiments of the present invention, LV form is adopted to store the data of each row.Because the data after resolving coding based on the row of LV form remain a Value data block entirety, therefore still can be stored in the device of Key-Value type, and without the need to changing the core texture of Key-Value memory storage.
Fig. 1 is according to the date storage method process flow diagram of embodiment of the present invention based on lengthy content (LV) form.
As shown in Figure 1, the method comprises:
Step 101: be contents value Value by the data encoding of at least two row lengthy content LV forms, wherein every column data all comprises expression length thereof and content part, express the length that length thereof is used to indicate the content part of this column data, content part is for storing the content-data of this column data.
Step 102: contents value Value and its major key Key is stored in Key-Value memory storage.
In embodiments of the present invention, the data layout of LV form comprises length thereof and content part.Length thereof can use an integer (being preferably 4 bytes) to express, and its content is the length of subsequent content part.Within the storage system, major key key is used to the authority or the condition that find a data, only has and just can obtain corresponding content according to key.
Fig. 2 is according to embodiment of the present invention single-row LV format data structure figure.
For single-row LV form, be divided into and express length thereof and content part.Express length thereof and be preferably 4 bytes, be used to indicate the length of follow-up content part.As shown in Figure 2, Chinese character " Jackson " is stored at content part.Every Chinese character is 2 bytes, and therefore " Jackson " takies altogether the memory length of 6 bytes, so the content in the length thereof of 4 bytes is 6.After such LV form represents, by the content of analysis length part, the memory length of content part just can be known expediently.
Fig. 3 is according to embodiment of the present invention multiple row LV format data structure figure.
A LV form can express row, and multiple LV form can express multiple row, and user can store different data contents, to express attribute in a certain respect at each row.As shown in Figure 3,3 row are always had.Wherein: the expression length thereof of the 1st row is 4 bytes, and content is 6, represent that the memory length of Chinese character " Jackson " is 6; The expression length thereof of the 2nd row is 4 bytes, and content is 4, represents that the memory length of Chinese character " U.S. " is 4; The expression length thereof of the 3rd row is 4 bytes, and content is 4, represents that the memory length of Chinese character " singer " is 4.
Based on above-mentioned analysis, embodiment of the present invention also proposed a kind of data-storage system based on LV form.
Fig. 4 is according to the data storage system architecture figure of embodiment of the present invention based on LV form.
As shown in Figure 4, this system comprises data encoding unit 401 and Key-Value memory storage 402.Wherein:
Data encoding unit 401, data encoding for arranging LV forms by least two is contents value Value, wherein every column data all comprises expression length thereof and content part, express the length that length thereof is used to indicate the content part of this column data, content part is for storing the content-data of this column data;
Key-Value memory storage 402, for storing contents value Value and its major key Key.
The Key-Value memory storage 402 of embodiment of the present invention can have numerous embodiments.Such as: the Key-value distributed storage devices that it is representative that Key-Value memory storage 402 specifically may be embodied as with MemcacheDB, TokyoTyrant.
Based on above-mentioned data structure and storage mode, embodiment of the present invention also proposed a kind of data access method based on LV form.
In the data access method based on LV form of embodiment of the present invention, the contents value Value of these data and its major key Key is stored in Key-Value memory storage, the contents value Value of these data comprises at least two column datas, wherein every column data all comprises expression length thereof and content part, express the length that length thereof is used to indicate the content part of this column data, content part is for storing the content-data of this column data.
Fig. 5 is according to the data access method process flow diagram of embodiment of the present invention based on LV form.
As shown in Figure 5, the method comprises:
Step 501: receive inquiry request, comprises major key Key and inquiry row number in this inquiry request.
Here, user expects access Key-Value memory storage, and sends inquiry request to Key-Value memory storage directly or indirectly.Key-Value memory storage receives this inquiry request directly or indirectly, and self parses the major key Key and inquiry row number that comprise in inquiry request, or is gone out the major key Key and inquiry row number that comprise in inquiry request by third party entity unit resolves.
Step 502: obtain the contents value Value corresponding to this major key Key according to major key Key from Key-Value memory storage.
Step 503: according to inquiry row number and express length thereof, from the content part of the respective column of this contents value Value, obtain content-data.
Here, after obtaining in inquiry request the major key Key and inquiry row number comprised, Key-Value memory storage carries out row decoding to contents value Value according to LV form, obtains the number of columns in contents value Value and each particular content arranged; And then according to inquiry row number and described expression length thereof, obtain the content-data of respective column, and return to user.
Particularly, can according to inquiry row number and the length expressing the content part of column data that length thereof refers to, skip the content part of all row before inquiry row number, find the content part corresponding to the row of inquiry row number of this contents value Value, thus obtain content-data.
In a preferred embodiment, Value can be scanned in advance, and read the content that first is expressed length thereof, using the content part as the 1st row, then continue scanning Value until scanned, and the column data the 1st scanning obtained is first row, scanning the column data obtained for 2nd time is the 2nd row, by that analogy, if user needs to arrange number column data being N, then the column data that its N wheel scan obtains is returned.
With a concrete example, above-mentioned flow process is described in detail below.Be name for a major key, content is the occurrences in human life table of sex, native place, occupation, can express as shown in Figure 6.Fig. 6 is according to the exemplary data schematic diagram of embodiment of the present invention based on the data access of LV form.In figure 6, first LV represents that the 1st arranges, and second LV represents that the 2nd arranges, the like.Now row name is no longer supported to the access of row, and use row number to replace.
The data access process of user is as follows:
Request process: user expects to obtain the content that name is the 2nd row of the user of " wangdan ", and sends respective request to Key-Value memory storage.
Response process: after Key-Value memory storage reads the whole Value data block of " wangdan ", analyze each row, the length obtaining first row is 2, and the content then skipping first row reads the length of secondary series, read the content of secondary series after knowing length again, and content is returned to user.
Here, user needs the concrete meaning knowing each row storage.Such as, occupation is stored in the 3rd row, during that visit data, the 3rd row are exactly the content of occupation.The meaning of each row strictly do not distinguished by memory storage, and just stores and access certain row according to the requirement of user.Like this, for the just no longer Structure of need description of a table, do not need the particular type illustrating that each arranges, as long as it is just passable to require to access them according to user yet.Here row also no longer include name, and replace sequence number (i.e. row number).This also can not cause puzzlement to user, as long as user knows the specific object that each row of oneself store.
Each row of the tables of data stored can have the type of self respectively, and wherein can do addition subtraction multiplication and division for integer type, the LV apportion mode of embodiment of the present invention also can support this computing.These computings comprise additive operation to content-data, subtraction, multiplying or division arithmetic.
For some LV elements, as long as its content-length is 4 bytes namely can do addition subtraction multiplication and division, this is equivalent to extend to a certain extent the object that arithmetic operator applies.Such as: user's request adds 10 to the content of row 3, if row 3 are 4 byte integer, then this operation can be successful, otherwise return mistake.
Preferably, in the above-mentioned methods, comprise further: receive column count request, in column count request, comprise major key Key, inquiry row number and column count order; The contents value Value corresponding to this major key Key is obtained according to major key Key; According to inquiry row number, from the content part of the respective column of this contents value Value, obtain content-data; According to column count order, column count is carried out to content-data.
Such as: 3rd row of user's request to the data of major key Key add 10.
Now, according to above-mentioned data access flow process, first from Key-Value memory storage, obtain the contents value Value corresponding to this major key Key according to major key Key, and then obtain the data content of the 3rd row in this contents value Value according to inquiry row number (being 3) herein.If the length of the 3rd row is 4 bytes, then successfully 10 operations are added to the 3rd row execution, and by all row more again LV be encoded to a Value, be more again stored into Key-Value memory storage.
Based on above-mentioned labor, embodiment of the present invention also proposed a kind of data access system based on LV form.
Fig. 7 is according to the data access system structural drawing of embodiment of the present invention based on LV form.
As shown in Figure 7, system comprises Key-Value memory storage 701 and content-data addressed location 702, wherein:
Key-Value memory storage 701, for storing contents value Value and its major key Key of data, wherein the contents value Value of these data comprises at least two column datas, every column data all comprises expresses length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data;
Content-data addressed location 702, for receiving inquiry request, wherein comprising major key Key and inquiry row number, and obtaining the contents value Value corresponding to this major key Key according to major key Key in inquiry request; According to inquiry row number and express length thereof, from the content part of the respective column of this contents value Value, obtain content-data.
Wherein, the data layout of LV form comprises length thereof and content part.Length thereof can use an integer (being preferably 4 bytes) to express, and its content is the length of subsequent content part.
Preferably, content-data addressed location 702, is further used for receiving column count request, comprises major key Key, inquiry row number and column count order in column count request; The contents value Value corresponding to this major key Key is obtained according to major key Key; According to inquiry row number and express length thereof, from the content part of the respective column of this contents value Value, obtain content-data; According to column count order, column count is carried out to described content-data.
And column count comprises additive operation to content-data, subtraction, multiplying or division arithmetic.
Particularly, content-data addressed location 702, for according to described inquiry row number and the length expressing the content part of column data that length thereof refers to, skip the content part of all row before inquiry row number, find the content part of row corresponding to described inquiry row number of this contents value Value, obtain content-data.
In sum, in embodiments of the present invention, first be contents value Value by the data encoding of at least two row lengthy content LV forms, wherein every column data all comprises expression length thereof and content part, express the length that length thereof is used to indicate the content part of this column data, content part is for storing the content-data of this column data; And then contents value Value and its major key Key is stored in Key-Value memory storage.As can be seen here, after application embodiment of the present invention, do not need complicated list structure to describe, only use simple LV encoding mechanism just can provide access by column model for user, achieve and support that the Key-value of multiple row pattern stores.
And embodiment of the present invention proposes data access method based on lengthy content form and system, describe without the need to structure and just can realize data access, therefore also reduce data access complexity.
In addition, embodiment of the present invention still can support the arithmetic operator to row, thus is convenient to the concrete operations of user.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.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 (10)
1. based on a date storage method for lengthy content form, it is characterized in that, the method comprises:
Be contents value Value by the data encoding of at least two row lengthy content (LV) forms, wherein every column data all comprises expression length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data;
Described contents value Value and its major key Key is stored in Key-Value memory storage.
2. method according to claim 1, is characterized in that, described expression length thereof is the byte of predetermined length, is 4 bytes.
3. based on a data-storage system for lengthy content form, it is characterized in that, this system comprises:
Data encoding unit, for being contents value Value by the data encoding of at least two row lengthy content LV forms, wherein every column data all comprises expression length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data;
Key-Value memory storage, for storing described contents value Value and its major key Key.
4. the data access method based on lengthy content form, it is characterized in that, the contents value Value of these data and its major key Key is stored in Key-Value memory storage, the contents value Value of these data comprises at least two column datas, wherein every column data all comprises expression length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data, and the method comprises:
Receive inquiry request, in described inquiry request, comprise major key Key and inquiry row number;
From Key-Value memory storage, the contents value Value corresponding to this major key Key is obtained according to described major key Key;
According to described inquiry row number and described expression length thereof, from the content part of the respective column of this contents value Value, obtain content-data.
5. method according to claim 4, is characterized in that, the method comprises further:
Receive column count request, in described column count request, comprise major key Key, inquiry row number and column count order;
The contents value Value corresponding to this major key Key is obtained according to described major key Key;
According to described inquiry row number and described expression length thereof, from the content part of the respective column of this contents value Value, obtain content-data;
According to described column count order, column count is carried out to described content-data.
6. the method according to claim 4 or 5, is characterized in that, described according to described inquiry row number and described expression length thereof, obtains content-data, specifically comprise from the content part of the respective column of this contents value Value:
According to the length of the content part of column data that described inquiry row number and described expression length thereof refer to, skip the content part of all row before inquiry row number, find the content part of row corresponding to described inquiry row number of this contents value Value, obtain content-data.
7. method according to claim 4, is characterized in that, described expression length thereof is the byte of predetermined length, is 4 bytes.
8. based on a data access system for lengthy content form, it is characterized in that, this system comprises Key-Value memory storage and content-data addressed location, wherein:
Key-Value memory storage, for storing contents value Value and its major key Key of data, wherein the contents value Value of these data comprises at least two column datas, every column data all comprises expresses length thereof and content part, described expression length thereof is used to indicate the length of the content part of this column data, and described content part is for storing the content-data of this column data;
Content-data addressed location, for receiving inquiry request, comprising major key Key and inquiry row number, and obtaining the contents value Value corresponding to this major key Key according to described major key Key in wherein said inquiry request; According to described inquiry row number and described expression length thereof, from the content part of the respective column of this contents value Value, obtain content-data.
9. system according to claim 8, is characterized in that,
Described content-data addressed location, is further used for receiving column count request, comprises major key Key, inquiry row number and column count order in described column count request; The contents value Value corresponding to this major key Key is obtained according to described major key Key; According to described inquiry row number and described expression length thereof, from the content part of the respective column of this contents value Value, obtain content-data; According to described column count order, column count is carried out to described content-data.
10. system according to claim 8 or claim 9, is characterized in that,
Described content-data addressed location, for the length of the content part of column data referred to according to described inquiry row number and described expression length thereof, skip the content part of all row before inquiry row number, find the content part of row corresponding to described inquiry row number of this contents value Value, obtain content-data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210043397.3A CN103294678B (en) | 2012-02-24 | 2012-02-24 | Data based on lengthy content form store and access method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210043397.3A CN103294678B (en) | 2012-02-24 | 2012-02-24 | Data based on lengthy content form store and access method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103294678A CN103294678A (en) | 2013-09-11 |
| CN103294678B true CN103294678B (en) | 2016-03-16 |
Family
ID=49095572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210043397.3A Active CN103294678B (en) | 2012-02-24 | 2012-02-24 | Data based on lengthy content form store and access method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103294678B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008134B (en) * | 2014-05-06 | 2017-02-15 | 武汉邮电科学研究院 | Efficient storage method and system based on Hbase |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043695A (en) * | 2006-03-23 | 2007-09-26 | 上海宇梦通信科技有限公司 | Method for storing and maintaining user equipment information in mobile communication system |
| CN101960454A (en) * | 2008-01-07 | 2011-01-26 | 奥里·赫恩施塔特 | Multiple dimensioned database architecture |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7203694B2 (en) * | 2002-12-20 | 2007-04-10 | International Business Machines Corporation | System and method for multicolumn sorting in a single column |
-
2012
- 2012-02-24 CN CN201210043397.3A patent/CN103294678B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101043695A (en) * | 2006-03-23 | 2007-09-26 | 上海宇梦通信科技有限公司 | Method for storing and maintaining user equipment information in mobile communication system |
| CN101960454A (en) * | 2008-01-07 | 2011-01-26 | 奥里·赫恩施塔特 | Multiple dimensioned database architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103294678A (en) | 2013-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9678969B2 (en) | Metadata updating method and apparatus based on columnar storage in distributed file system, and host | |
| Li | Transforming relational database into HBase: A case study | |
| CN103914483B (en) | File memory method, device and file reading, device | |
| CN103870492A (en) | Data storing method and device based on key sorting | |
| US20230038616A1 (en) | Reducing matching documents for a search query | |
| CN105373541A (en) | Processing method and system for data operation request of database | |
| WO2016209962A2 (en) | Storage and retrieval of data from a bit vector search index | |
| WO2016209964A1 (en) | Bit vector search index using shards | |
| EP3314468A1 (en) | Matching documents using a bit vector search index | |
| WO2016209971A1 (en) | Match fix-up to remove matching documents | |
| CN111414361A (en) | Label data storage method, device, equipment and readable storage medium | |
| EP3173947A1 (en) | Paged inverted index | |
| CN106919696B (en) | SEO site construction method and SEO request response method | |
| CN110162540B (en) | Block chain account book data query method, electronic device and storage medium | |
| CN114398346A (en) | Data migration method, device, equipment and storage medium | |
| CN103294678B (en) | Data based on lengthy content form store and access method and system | |
| CN106909623B (en) | A kind of data set and date storage method for supporting efficient mass data to analyze and retrieve | |
| CN108647243B (en) | Industrial big data storage method based on time series | |
| WO2018080560A1 (en) | Encoding edges in graph databases | |
| US20190114372A1 (en) | System and method for determining contact names that may identify the same person | |
| CN115495452A (en) | Data processing method, data processing device, computer equipment and storage medium | |
| CN114741077A (en) | Page effect preview method, device, equipment and medium based on field granularity | |
| JP2018109898A (en) | Data migration system | |
| CN107609038A (en) | Data clearing method and device | |
| WO2016209931A1 (en) | Bit vector search index |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |