Today I had a technical talk at OpenFest 2009 along with my colleague Vesko Kolev. We presented the OCR technologies and the open source OCR engine Tesseract. I demonstrated hot to download and compile tesseract, how it works, when it recognizes text correctly and when it fails and how to train it in a new
ASP.NET membership providers are nice framework for managing users and roles in ASP.NET Web applications but they have a strong weakness: they do not support transactions. Why We Need Transactions During User Registration? We may need to use transactions for example when we want to register new user account, assign few roles to it and
My open-source book “Introduction to Programming with Java” has new Web site: www.introprogramming.info. The book is written by a team of 30 authors managed by me and is an excellent tutorial for beginners. It is a book about the fundamentals of computer programming, data strustures, algorithms and logical thinking, not just a Java book. The
Last Sunday I was given an invited talk in the Club “Stop and Think!” about writing open source books with a large team of 30 authors. This process is really a challenge because the authors are enthusiasts and they write for the good of the community. You are not their boss because you don’t pay
Today I granted to the community (under MIT license) the source code of the most interesting algorithms designed for my PhD thesis (implemented in C#): MMEDR – algorithm for measuring weighted orthographic similarity between Bulgarian and Russian words taking into account some linguistically motivated Bulgarian-Russian correspondences (current supports Bulgarian and Russian only) SemSim – algorithm
All Java and Java EE developers are invited to the unique for the Balkans and Eastern Europe conference on Java technologies called Java2Days. At the conference distinguished speakers will talk in Sofia about Java, Java EE 6, JBoss, EJB 3.1, Spring Framework, JPA, OSGi, GWT, JSF, jBPM, Wicket, JRockit, cloud computing and other hot technologies.
All .NET and Microsoft oriented developers are invited to DevReach 2009 conference – the premier conference for Microsoft technologies for the Balkans and Eastern Europe region. This year the conference attracts distinguished speakers who will deliver talks about Silverlight, WPF, ASP.NET 4.0, ASP.NET MVC, AJAX, IIS 7, Visual Studio 2010, SharePoint, SQL Server 2008, business
Today I presented a scientific publication about measuring modified orthographic similarity between Bulgarian and Russian words at the Workshop “Multilingual Resources, Technologies and Evaluation for Central and Eastern European Languages”, held in conjunction with the scientific conference RANLP’2009. The paper is titled “A Knowledge-Rich Approach to Measuring the Similarity between Bulgarian and Russian Words” and
