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Get rich contact information right in gmail. Rapportive shows you everything about your contacts right inside your inbox.

The social conference directory

A software companion to a 30+ year-old CIA research methodology, Open Source Analysis of Competing Hypotheses (ACH) will help you think objectively and logically about overwhelming amounts of data and hypotheses. It can also guide research teams toward more productive discussions by identifying the exact points of contention.

MacVim is a port of the text editor Vim to Mac OS X.

HTML5 developer resource site from Google

Beautiful new file diff tool that also supports diffs on image files. From the makers of Versions.

This is a tutorial aimed at trying to build up the intuition behind solution procedures for partially observable Markov decision processes (POMDPs). It sacrifices completeness for clarity. It tries to present the main problems geometrically, rather than with a series of formulas. In fact, we avoid the actual formulas altogether, try to keep notation to a minimum and rely on pictures to build up the intuition.

Over the past couple of years there has been growing interest in formal models for coordination among multiple agents. We study one such model, the decentralized partially observable Markov decision process (DEC-POMDP). This web site was created to provide information about the model and the algorithms used to solve DEC-POMDPs.

The Prediction API enables access to Google's machine learning algorithms to analyze your historic data and predict likely future outcomes. Upload your data to Google Storage for Developers, then use the Prediction API to make real-time decisions in your applications. The Prediction API implements supervised learning algorithms as a RESTful web service to let you leverage patterns in your data, providing more relevant information to your users. Run your predictions on Google's infrastructure and scale effortlessly as your data grows in size and complexity.