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Staff researcher David François Huynh has created an interesting tool for browsing semantic database Freebase, called Freebase Parallax. Written up by ZDNet's Oliver Marks, the video Huynh recorded demonstrating Parallax (below) will knock your socks off.

The four rules of the web and compound documents A real quirk that truly interests me is the difference in aims between the way documents are typically published and the way that the information within them is reused. A published document is normally in a single 'format' - a paginated layout, and this may comprise text, numerical charts, diagrams, tables of data and so on. My assumption is that, to support a given view or argument, a reference to the entirety of an article is not necessary; The full paper gives the context to the information, but it is much more likely that a small part of this paper contains the novel insight being referenced. In the paper-based method, it is difficult to uniquely identify parts of an article as items in their own right. You could reference a page number, give line numbers, or quote a table number, but this doesn't solve this issue that the author hadn't put time to considering that a chart, a table or a section of text would be reused.

Ben O'Steen has put up some thoughts on what he refers to as 'compound' documents and how to store them in repositories and allow for referencing of parts of a document, such as a table, a graph or even a paragraph. Why did I add the scare quotes to compound? While to a computer scientist a research paper with its graphs and tables and paragraphs might be compound, I suspect most authors tend to think of a research article as a single entity. Until we start giving them access to services that make it clear that it's not monolithic, that is. As background, Ben gives four rules: Note that the four rules of the web (well, of Linked Data technically) are in essence: * give everything a name, * make that name a URL … * which results in data about that thing, * and have it link to other related things.