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Richard Smith: Addressing the Problems of Addressing at British Transport Police






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  • Rules engines makes it easier to program allowing us to move from imperative models, to lists of production rules. Four generic index population rules are applied in two sessions, using NLPG then NSG. The checks are applied to the themes of BTP location types. This is because different groups will contain subtly different characteristics. Separating the rules into separate workflows keeps the rules within a narrow context, making the impact programme flow easier to manage. It also allows BTP to keep extending the index, dataset by dataset.
  • The system runs through the rules, picks the ones for which the condition is true, and then evaluates the corresponding actions, in this case populating the index. The interaction of the implicit rules can often be quite complex, particularly when the actions of rules impact the resulting conditions of other rules. Chaining rule-based tasks in different orders can lead to different results. Support for re-ordering is essential in order to systematically discover the flow that populates the index with optimal confidence. The addressing problem, plus many other problems, fit this production rule computational model.
  • Leveraging Intelligence The index enables users to understand, with confidence, that the same place can described in different ways in different data sources which means they can truly understand the nature of place. Information Re-Use The index enables the user to re-use different data. This means users can perform data level comparisons to define baseline and quantify data quality in data sources. Accuracy (fit for purpose) Use the index of information by updating and appending information from one source to enable yourself to automatically improve the content and accuracy of data sources. Rules-based Approach Managing production rules, not data models, enables the business people to use specialist knowledge. They can control and describe the rules without the expense and dependency on specialist skills or developers. Data Centric Intelligence Use the index information to define database views of the information, which you can control and administer once and deploy across the entire enterprise. Maintaining History Use changes in the index to control information archiving. This enables users to maintain historical views of information, as well as keep an auditable and versioned data source.

Richard Smith: Addressing the Problems of Addressing at British Transport Police Richard Smith: Addressing the Problems of Addressing at British Transport Police Presentation Transcript