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Data gathering and processing requires access to data and has several inherent issues, including information overload and data errors. Once data is collected, it will need to be transformed into a format that can be effectively used by both human and computer analyzers. Manual or computer-generated visualizations tools may be mapped from the data, including network charts. Several algorithms exist to help with analysis of data – Dijkstra’s algorithm, breadth-first search, and depth-first search.

Data gathering and processing requires access to data and has several inherent issues, including information overload and data errors. Once data is collected, it will need to be transformed into a format that can be effectively used by both human and computer analyzers. Manual or computer-generated visualizations tools may be mapped from the data, including network charts. Several algorithms exist to help with analysis of data – Dijkstra’s algorithm, breadth-first search, and depth-first search.

在得到数据后，需进行数据的收集和处理，但此过程存在一些固有的问题，包括信息超载和数据错误。在数据被收集后，它将转换成一种人和计算机分析程序都能有效使用的格式。之后基于数据，人工或计算机生成的可视化工具可以进行作图，包括网络图。目前有几种算法可以帮助进行数据分析-Dijkstra算法，广度优先搜索和深度优先搜索。

在得到数据后，需进行数据的收集和处理，但此过程存在一些固有的问题，包括信息超载和数据错误等。在数据被收集后，它将转换成一种人和计算机分析程序都能有效使用的格式。之后基于数据，人工或计算机生成的可视化工具可以进行作图，如网络图。目前有几种算法可以帮助进行数据分析-Dijkstra算法，广度优先搜索和深度优先搜索。

Link analysis focuses on analysis of relationships among nodes through visualization methods (network charts, association matrix). Here is an example of the relationships that may be mapped for crime investigations:  

Link analysis focuses on analysis of relationships among nodes through visualization methods (network charts, association matrix). Here is an example of the relationships that may be mapped for crime investigations:  

链路分析主要通过可视化方法(网络图、关联矩阵)分析节点之间的关系。这里有一个关系的例子，可以为犯罪调查绘制地图:

链路分析主要通过可视化方法(网络图、关联矩阵)分析节点之间的关系。这里有一个基于罪犯和社会各部分关系绘制网图的例子:

| 1. Trust || Prior contacts in family, neighborhood, school, military, club or organization. Public and court records. Data may only be available in suspect's native country.

| 1. Trust || Prior contacts in family, neighborhood, school, military, club or organization. Public and court records. Data may only be available in suspect's native country.

| 1.信任 | 在家庭、社区、学校、军队、俱乐部或组织中有先前的联系。公开及法庭纪录。数据可能只能在嫌疑人的本国获得。

| 1.信任 | 嫌疑人在家庭、社区、学校、军队、俱乐部或组织中已有的联系。公开信息及法庭纪录。以及只能在嫌疑人本国获得的数据。

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| 2. Task || Logs and records of phone calls, electronic mail, chat rooms, instant messages, Web site visits. Travel records. Human intelligence: observation of meetings and attendance at common events.

| 2. Task || Logs and records of phone calls, electronic mail, chat rooms, instant messages, Web site visits. Travel records. Human intelligence: observation of meetings and attendance at common events.

| 2.任务 | | 电话、电子邮件、聊天室、即时消息、网站访问的日志和记录。出入境纪录。人类智慧: 观察会议和参加共同活动。

| 2.任务 | | 电话、电子邮件、聊天室、即时消息、网站访问的日志和记录。出入境纪录。人类智能: 会议评论和公共活动的出席。

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| 3. Money & Resources || Bank account and money transfer records. Pattern and location of credit card use. Prior court records. Human intelligence: observation of visits to alternate banking resources such as Hawala.

| 3. Money & Resources || Bank account and money transfer records. Pattern and location of credit card use. Prior court records. Human intelligence: observation of visits to alternate banking resources such as Hawala.

| 3.资金和资源 | 银行账户和汇款记录。信用卡使用模式及地点。以前的法庭记录。人类智慧: 观察访问其他银行资源，如 Hawala。

| 3.资金和资源 | 银行账户和汇款记录。信用卡使用地点及使用习惯。以前的法庭记录。人类智能: 访问其他银行资源的观察，如 Hawala。

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| 4. Strategy & Goals || Web sites. Videos and encrypted disks delivered by courier. Travel records. Human intelligence: observation of meetings and attendance at common events.

| 4. Strategy & Goals || Web sites. Videos and encrypted disks delivered by courier. Travel records. Human intelligence: observation of meetings and attendance at common events.

| 4.策略与目标 | 网站。视频和加密光盘由快递公司递送。出入境纪录。人类智慧: 观察会议和参加共同活动。

| 4.策略与目标 | 网站。由快递公司递送的视频和加密光盘。出入境纪录。人类智能: 会议评论和公共活动的出席。

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  Find matches in data for known patterns of interest;

  Find matches in data for known patterns of interest;

在已知的兴趣模式的数据中寻找匹配项;

在数据中寻找有意义的已知模式;

# Find anomalies where known patterns are violated;

# Find anomalies where known patterns are violated;

  Find anomalies where known patterns are violated;

  Find anomalies where known patterns are violated;

发现违反已知模式的异常;

发现与已知模式不符合的异常情况;

# Discover new patterns of interest (social network analysis, [[data mining]]).

# Discover new patterns of interest (social network analysis, [[data mining]]).

  Discover new patterns of interest (social network analysis, data mining).

  Discover new patterns of interest (social network analysis, data mining).

发现感兴趣的新模式(社会网络分析、数据挖掘)。

发现有意义的新模式(社会网络分析、数据挖掘)。

Klerks categorized link analysis tools into 3 generations.<ref>{{cite journal | last = Klerks | first = P. | year = 2001 | title = The network paradigm applied to criminal organizations: Theoretical nitpicking or a relevant doctrine for investigators? Recent developments in the Netherlands | citeseerx = 10.1.1.129.4720 | journal = Connections | volume = 24 | pages = 53–65 }}</ref> The first generation was introduced in 1975 as the Anacpapa Chart of Harper and Harris.<ref>Harper and Harris, The Analysis of Criminal Intelligence, Human Factors and Ergonomics Society Annual Meeting Proceedings, 19(2), 1975, pp. 232-238.</ref> This method requires that a domain expert review data files, identify associations by constructing an association matrix, create a link chart for visualization and finally analyze the network chart to identify patterns of interest. This method requires extensive domain knowledge and is extremely time-consuming when reviewing vast amounts of data.[[File:Association Matrix.png|thumb|Association Matrix]]

Klerks categorized link analysis tools into 3 generations.<ref>{{cite journal | last = Klerks | first = P. | year = 2001 | title = The network paradigm applied to criminal organizations: Theoretical nitpicking or a relevant doctrine for investigators? Recent developments in the Netherlands | citeseerx = 10.1.1.129.4720 | journal = Connections | volume = 24 | pages = 53–65 }}</ref> The first generation was introduced in 1975 as the Anacpapa Chart of Harper and Harris.<ref>Harper and Harris, The Analysis of Criminal Intelligence, Human Factors and Ergonomics Society Annual Meeting Proceedings, 19(2), 1975, pp. 232-238.</ref> This method requires that a domain expert review data files, identify associations by constructing an association matrix, create a link chart for visualization and finally analyze the network chart to identify patterns of interest. This method requires extensive domain knowledge and is extremely time-consuming when reviewing vast amounts of data.[[File:Association Matrix.png|thumb|Association Matrix]]

Klerks categorized link analysis tools into 3 generations. The first generation was introduced in 1975 as the Anacpapa Chart of Harper and Harris. This method requires that a domain expert review data files, identify associations by constructing an association matrix, create a link chart for visualization and finally analyze the network chart to identify patterns of interest. This method requires extensive domain knowledge and is extremely time-consuming when reviewing vast amounts of data.Association Matrix

Klerks categorized link analysis tools into 3 generations. The first generation was introduced in 1975 as the Anacpapa Chart of Harper and Harris. This method requires that a domain expert review data files, identify associations by constructing an association matrix, create a link chart for visualization and finally analyze the network chart to identify patterns of interest. This method requires extensive domain knowledge and is extremely time-consuming when reviewing vast amounts of data.