CN105022699B - The preprocess method and system of buffer area data - Google Patents
The preprocess method and system of buffer area data Download PDFInfo
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- CN105022699B CN105022699B CN201510412138.7A CN201510412138A CN105022699B CN 105022699 B CN105022699 B CN 105022699B CN 201510412138 A CN201510412138 A CN 201510412138A CN 105022699 B CN105022699 B CN 105022699B
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Claims (11)
- A kind of 1. preprocess method of buffer area data, it is characterised in that including:Record construction basic data, pre-processes basic data, specifically includes:Basic data refers to user's query time TimeUserQuery, user's residence time TimeUserStand and user inquire about content ContentUserQuery;Construction TimeUserQuery, TimeUserStand and ContentUserQuery interface function obtain client from initial server end The query time of user, residence time and inquiry content;It is pre- in TimeUserQuery the and TimeUserStand functions If timer Timer, and cookie ActiveX Techniques are used, obtain the query time of user and residence time in current behavior;Will The data being collected into are sent to destination server end by the asynchronous mode of GET, POST;The basic data by interface with JSON forms are shown to the destination server end;After destination server receives return value and returned content, system uses the Parse methods of JObject or JArray will JSON character strings are converted to JSON objects, extract the basic data by way of the JSON objects, analyze the basis Association between data query content and query time, that is, construct Loading, Unloading, Cargo, Carrier, Route With the graph of a relation of TimeUserQuery and TimeUserStand;In the graph of a relation, TimeUserQuery and TimeUserStand respectively as dependent variable and Loading, Unloading, Cargo, Carrier, Route, using least square method, establish LEAST SQUARES MODELS FITTING simulation as independent variable User behavior, predicts the user job time and inquires about the data relationship between content;The LEAST SQUARES MODELS FITTING modelling customer behavior of establishing includes prediction user query time TimeUserQuery, specifically Mode is:<mrow> <msub> <mi>y</mi> <mi>i</mi> </msub> <mo>=</mo> <msub> <mi>x</mi> <mn>0</mn> </msub> <mo>+</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msub> <mi>t</mi> <mi>i</mi> </msub> <msub> <mi>x</mi> <mi>i</mi> </msub> </mrow>Wherein tiRepresent query time when user inquires about i-th inquiry content;N is the number of inquiry content;xiRepresent the The i corresponding model parameters of the inquiry content, wherein x0=1;If user only carries out Cargo operations, when Cargo is inquired about Between can be predicted into:y3=x0+t3x3;One is set respectively in tables of data for described inquiry content Loading, Unloading, Cargo, Carrier, Route SessionId, directly related parameter values are obtained in above-mentioned LEAST SQUARES MODELS FITTING by the SessionId, and will be obtained Initial data of the data as buffer area input data;The data from caching input reception are stored to buffer area, are exported according to first in first out order from the buffer area.
- 2. according to the method described in claim 1, it is characterized in that, the user inquires about content ContentUserQuery, tool Body includes:Have in all inquiries of systemic presupposition user's operation in Loading, Unloading, Cargo, Carrier and Route One kind or its any combination, the parameters of ContentUserQuery interface functions is Loading, Unloading, Cargo, Carrier and Route, according to the different operating behavior of user, return is different with the parameter value of displaying, has carried out in the inquiry The parameter return value of appearance is set to 1, and the parameter return value for not carrying out the inquiry content is set to 0.
- 3. according to the method described in claim 1, it is characterized in that, described establish least-squares algorithm model, specifically further include:Step 1:The destination server receives the multiple inquiry operation of a user, and the user queried in the inquiry The one or more of appearance, if inquiry content is n, the time of each inquiry content of user's inquiry is denoted as respectively:T=(t1,t2,t3,...ti...,tn)(1)Wherein tiRepresent query time when user inquires about i-th inquiry content;Step 2:The query time of the m inquiry inquiry content of one user is expressed as:y(t1,...,tn;x0,x1,...,xn)=x0+x1t1+…+xntn(2)Wherein y represents the working time of user's inquiry inquiry content, x0,x1,…,xnRepresent model parameter, which causes Actual value and the quadratic sum of observed difference are minimum, are expressed as with system of linear equations:Wherein yiRepresent the query time used in user's ith inquiry inquiry content, tijRepresent user's ith Inquire about the query time used in jth item inquiry content;By tijIt is denoted as data matrix A, the model parameter xiParameter vector X is denoted as, query time y described in useriY is denoted as, then line Property equation group is represented by:That is AX=Y (4)Wherein,Step 3:The query time of fitting real user behavior and the value of the model parameter matrix X of inquiry content are:By minimum Square law model defines the observability estimate value that user inquires about an inquiry contentWith the estimate of the model parameterWherein i=1,2 ..., n, k=1,2 ..., m (6)Obtain:<mrow> <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <mrow> <mfrac> <mo>&part;</mo> <mrow> <mo>&part;</mo> <msub> <mover> <mi>X</mi> <mo>^</mo> </mover> <mn>0</mn> </msub> </mrow> </mfrac> <mi>Q</mi> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mfrac> <mo>&part;</mo> <mrow> <mo>&part;</mo> <msub> <mover> <mi>X</mi> <mo>^</mo> </mover> <mn>1</mn> </msub> </mrow> </mfrac> <mi>Q</mi> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mfrac> <mo>&part;</mo> <mrow> <mo>&part;</mo> <msub> <mover> <mi>X</mi> <mo>^</mo> </mover> <mn>2</mn> </msub> </mrow> </mfrac> <mi>Q</mi> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> <mtr> <mtd> <mo>.</mo> </mtd> </mtr> <mtr> <mtd> <mo>.</mo> </mtd> </mtr> <mtr> <mtd> <mo>.</mo> </mtd> </mtr> <mtr> <mtd> <mrow> <mfrac> <mo>&part;</mo> <mrow> <mo>&part;</mo> <msub> <mover> <mi>X</mi> <mo>^</mo> </mover> <mi>k</mi> </msub> </mrow> </mfrac> <mi>Q</mi> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> </mtable> </mfenced> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>7</mn> <mo>)</mo> </mrow> </mrow>WhereinThen the estimate equation group with the model parameter is obtained:<mrow> <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <mrow> <mo>&Sigma;</mo> <msub> <mi>y</mi> <mi>i</mi> </msub> <mo>-</mo> <mo>&Sigma;</mo> <mrow> <mo>(</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>0</mn> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>1</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>2</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <mn>...</mn> <mo>+</mo> <msub> <mi>x</mi> <mi>k</mi> </msub> <msub> <mi>t</mi> <mrow> <mi>k</mi> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>&Sigma;</mo> <msub> <mi>y</mi> <mi>i</mi> </msub> <msub> <mi>x</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <mo>&Sigma;</mo> <mrow> <mo>(</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>0</mn> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>1</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>2</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <mn>...</mn> <mo>+</mo> <msub> <mi>x</mi> <mi>k</mi> </msub> <msub> <mi>t</mi> <mrow> <mi>k</mi> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <msub> <mi>x</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>&Sigma;</mo> <msub> <mi>y</mi> <mi>i</mi> </msub> <msub> <mi>x</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>-</mo> <mo>&Sigma;</mo> <mrow> <mo>(</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>0</mn> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>1</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>2</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <mn>...</mn> <mo>+</mo> <msub> <mi>x</mi> <mi>k</mi> </msub> <msub> <mi>t</mi> <mrow> <mi>k</mi> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <msub> <mi>x</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> <mtr> <mtd> <mo>.</mo> </mtd> </mtr> <mtr> <mtd> <mo>.</mo> </mtd> </mtr> <mtr> <mtd> <mo>.</mo> </mtd> </mtr> <mtr> <mtd> <mrow> <mo>&Sigma;</mo> <msub> <mi>y</mi> <mi>i</mi> </msub> <msub> <mi>x</mi> <mrow> <mi>k</mi> <mi>i</mi> </mrow> </msub> <mo>-</mo> <mo>&Sigma;</mo> <mrow> <mo>(</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>0</mn> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>1</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>1</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <msub> <mover> <mi>x</mi> <mo>^</mo> </mover> <mn>2</mn> </msub> <msub> <mi>t</mi> <mrow> <mn>2</mn> <mi>i</mi> </mrow> </msub> <mo>+</mo> <mn>...</mn> <mo>+</mo> <msub> <mi>x</mi> <mi>k</mi> </msub> <msub> <mi>t</mi> <mrow> <mi>k</mi> <mi>i</mi> </mrow> </msub> <mo>)</mo> </mrow> <msub> <mi>x</mi> <mrow> <mi>k</mi> <mi>i</mi> </mrow> </msub> <mo>=</mo> <mn>0</mn> </mrow> </mtd> </mtr> </mtable> </mfenced> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>9</mn> <mo>)</mo> </mrow> </mrow>According to (8) (9) obtain user inquiry it is described inquiry content used in time observation and estimate relation be:<mrow> <mi>Q</mi> <mo>=</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msubsup> <mi>e</mi> <mi>i</mi> <mn>2</mn> </msubsup> <mo>=</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msup> <mrow> <mo>(</mo> <msub> <mi>y</mi> <mi>i</mi> </msub> <mo>-</mo> <msub> <mover> <mi>y</mi> <mo>^</mo> </mover> <mi>i</mi> </msub> <mo>)</mo> </mrow> <mn>2</mn> </msup> </mrow><mrow> <mo>=</mo> <msup> <mi>e</mi> <mi>t</mi> </msup> <mi>e</mi> <mo>=</mo> <msup> <mrow> <mo>(</mo> <mi>Y</mi> <mo>-</mo> <mi>A</mi> <mover> <mi>X</mi> <mo>^</mo> </mover> <mo>)</mo> </mrow> <mi>t</mi> </msup> <mrow> <mo>(</mo> <mi>Y</mi> <mo>-</mo> <mi>A</mi> <mover> <mi>X</mi> <mo>^</mo> </mover> <mo>)</mo> </mrow> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>10</mn> <mo>)</mo> </mrow> </mrow>Then the value of the model parameter is:<mrow> <mfrac> <mo>&part;</mo> <mrow> <mo>&part;</mo> <mover> <mi>X</mi> <mo>^</mo> </mover> </mrow> </mfrac> <msup> <mrow> <mo>(</mo> <mi>Y</mi> <mo>-</mo> <mi>A</mi> <mover> <mi>X</mi> <mo>^</mo> </mover> <mo>)</mo> </mrow> <mi>t</mi> </msup> <mrow> <mo>(</mo> <mi>Y</mi> <mo>-</mo> <mi>A</mi> <mover> <mi>X</mi> <mo>^</mo> </mover> <mo>)</mo> </mrow> <mo>=</mo> <mn>0</mn> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>11</mn> <mo>)</mo> </mrow> </mrow>Finally obtaining the estimate of the model parameter is:<mrow> <mfrac> <mo>&part;</mo> <mrow> <mo>&part;</mo> <mover> <mi>X</mi> <mo>^</mo> </mover> </mrow> </mfrac> <mrow> <mo>(</mo> <msup> <mi>Y</mi> <mi>t</mi> </msup> <mi>Y</mi> <mo>-</mo> <mn>2</mn> <mover> <mi>X</mi> <mo>^</mo> </mover> <msup> <mi>A</mi> <mi>t</mi> </msup> <mi>Y</mi> <mo>+</mo> <mover> <mi>X</mi> <mo>^</mo> </mover> <msup> <mi>A</mi> <mi>t</mi> </msup> <mi>A</mi> <mover> <mi>X</mi> <mo>^</mo> </mover> <mo>)</mo> </mrow> <mo>=</mo> <mn>0</mn> </mrow><mrow> <mtable> <mtr> <mtd> <mrow> <msup> <mi>A</mi> <mi>t</mi> </msup> <mi>Y</mi> <mo>=</mo> <msup> <mi>A</mi> <mi>t</mi> </msup> <mi>A</mi> <mover> <mi>X</mi> <mo>^</mo> </mover> </mrow> </mtd> <mtd> <mrow> <mover> <mi>X</mi> <mo>^</mo> </mover> <mo>=</mo> <msup> <mrow> <mo>(</mo> <msup> <mi>A</mi> <mi>t</mi> </msup> <mi>A</mi> <mo>)</mo> </mrow> <mrow> <mo>-</mo> <mn>1</mn> </mrow> </msup> <msup> <mi>A</mi> <mi>t</mi> </msup> <mi>Y</mi> </mrow> </mtd> </mtr> </mtable> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>12</mn> <mo>)</mo> </mrow> <mo>.</mo> </mrow>
- 4. according to the method described in claim 1, it is characterized in that, the storage is from the data that caching input receives to caching Area, exports from the buffer area according to first in first out order, specifically includes:Master cache area is arranged to the data that storage is received from caching input, and cache controller is used for the slave buffering area of selectivity The reception data are routed to spare buffer area so that the data received from caching input are according to FIFO order from described The reception data are output to the caching and exported by spare buffer area.
- 5. according to the method described in claim 4, it is characterized in that, the spare caching is used to store the caching input or deposits Store up the reception data that master cache receives, and with the identical order for receiving data in the master cache area by the reception Data are output to the caching output.
- 6. according to the method described in claim 4, it is characterized in that, the cache controller specifically includes:The effect of the cache controller is that the master cache is from caching input to institute when the master cache is empty data mode State spare caching transmission data;Or;When the spare caching is full data mode, the spare caching transmits data from caching input to the master cache;Or;When the master cache data mode is not empty, the reception data transmit data from caching input to the master cache.
- 7. according to the method described in claim 4, it is characterized in that, wherein described master cache and spare caching are can to store not The independent fifo queue of same type data and the data space of master cache are more than the data space of spare caching.
- 8. a kind of pretreatment system of buffer area data, it is characterised in that specifically include:Transmission device:Send the data to buffer area;Buffer area:For receiving data from transmission device, and the data of reception are sent to reception according to the order of first in, first out Device;Reception device:For receiving the data come from buffer area;Wherein, the system is trained data and has been handled first, first will by transmitting device since data volume is larger It is put into buffer area, specifically includes:Basic data refers to user's query time TimeUserQuery, user's residence time TimeUserStand and user inquire about content ContentUserQuery;Construct TimeUserQuery, TimeUserStand and ContentUserQuery interface functions obtain the query time of client user, residence time and inquiry from initial server end Content;The preset timer Timer in TimeUserQuery the and TimeUserStand functions, and use cookie controls Technology, obtains the query time of user and residence time in current behavior;The data being collected into are asynchronous by GET, POST Mode is sent to destination server end;The basic data is shown to the destination server end by interface with JSON forms;After destination server receives return value and returned content, system uses the Parse methods of JObject or JArray will JSON character strings are converted to JSON objects, extract the basic data by way of the JSON objects, analyze the basis Association between data query content and query time, that is, construct Loading, Unloading, Cargo, Carrier, Route With the graph of a relation of TimeUserQuery and TimeUserStand;In the graph of a relation, TimeUserQuery and TimeUserStand respectively as dependent variable and Loading, Unloading, Cargo, Carrier, Route, using least square method, establish LEAST SQUARES MODELS FITTING simulation as independent variable User behavior, predicts the user job time and inquires about the data relationship between content;The system is by least square method modelling customer behavior, including predicts user query time TimeUserQuery, specifically Mode is:<mrow> <msub> <mi>y</mi> <mi>i</mi> </msub> <mo>=</mo> <msub> <mi>x</mi> <mn>0</mn> </msub> <mo>+</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>i</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>n</mi> </munderover> <msub> <mi>t</mi> <mi>i</mi> </msub> <msub> <mi>x</mi> <mi>i</mi> </msub> </mrow>Wherein tiRepresent query time when user inquires about i-th inquiry content;N is the number of inquiry content;xiRepresent the The i corresponding model parameters of the inquiry content, wherein x0=1;If user only carries out Cargo operations, when Cargo is inquired about Between can be predicted into:y3=x0+t3x3;One is set respectively in tables of data for described inquiry content Loading, Unloading, Cargo, Carrier, Route SessionId, directly related parameter values are obtained in above-mentioned LEAST SQUARES MODELS FITTING by the SessionId, and will be obtained Initial data of the data as buffer area input data.
- 9. system according to claim 8, it is characterised in that specifically include:Buffer area includes master cache and spare caching, and the master cache area is configured to be mainly used for what storage was received from caching input Data;The spare caching is mainly used for the reception data for storing the caching input or storage master cache receives, and And with the master cache it is identical receive data order by it is described reception data be output to it is described caching export.
- 10. system according to claim 9, it is characterised in that specifically include:The buffer area further includes cache controller, and when the master cache is empty data mode, the master cache is defeated from caching Enter to the spare caching transmission data, or when the spare caching is full data mode, the spare caching is from caching Input to the master cache and transmit data, or when the master cache data mode is not empty, the data that receive are from caching Input to the master cache and transmit data.
- 11. system according to claim 9, it is characterised in that specifically include:The multiple buffer areas of the system configuration, the data space of the master cache are more than the space of spare caching.
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