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Databases and Advanced Data Techniques

26. A very good guide to linked data

Introduction Very simply, linked data is stored as triples that consist of a subject, predicate and object. These triples connect read more

March 6th, 2022 Posted in Databases and Advanced Data Techniques

25. Information Retrieval

25.01 Introduction When we talk about data, we’ve talked about it as synonymous with facts. eg Marlon Brando starred in read more

March 4th, 2022 Posted in Databases and Advanced Data Techniques

24. Triplestores and SPARQL

24.01 Introduction The Semantic Web is hard to search efficiently, partly because there is no registry of information. Finding something read more

March 3rd, 2022 Posted in Databases and Advanced Data Techniques

23. Ontologies – RDF Schema and OWL

23.01 Introduction You can’t properly share information without also sharing definitions, semantics and syntax. The way that linked data is read more

March 2nd, 2022 Posted in Databases and Advanced Data Techniques

22. RDF – Remote Description Framework

22.01 Introduction Web technologies are built around the Document Object Model (DOM). Linked data also has a model, called Remote read more

March 2nd, 2022 Posted in Databases and Advanced Data Techniques

21. Linked Data – an introduction

21.01 Introduction We’ve been looking at distributing our data between machines. Originally, that seemed to be about efficiency, and speed, read more

March 2nd, 2022 Posted in Databases and Advanced Data Techniques

20. Transforming XML databases

20.01 Comparing them to relational databases It’s an unfair comparison to compare XML databases against relational databases as they do read more

January 16th, 2022 Posted in Databases and Advanced Data Techniques

19. Semantic databases

19.01 What does a table actually tell us? If we want to share a relational database, we can (for example) read more

January 13th, 2022 Posted in Databases and Advanced Data Techniques

18. Document databases and MongoDB

18.01 Introduction Key-value databases can be seen as being on the opposite end of the spectrum from relational databases. They read more

January 12th, 2022 Posted in Databases and Advanced Data Techniques

17. Key/Value databases and MapReduce

17.01 Key/Value databases If distributed databases are complex, simplify your data structures. With simpler structures can come simpler management and read more

January 11th, 2022 Posted in Databases and Advanced Data Techniques