At the end of the semester, I feel it necessary to review what I have learned during the whole course. I am improved a lot in three aspects, i.e. concepts, techniques and view. Then I will talk about each of them in terms of what exactly do they indicate and how I feel improved in them.

  “Concepts” is really a big concept. In the semester, I have met with countless new things never…

Last week during the discussion between our group and Ben, he introduced us an interesting and powerful tool, the WolframAlpha. Most of us are familiar with the Mathematica published by Wolfram Research but few ever play with the WolframAlpha published in May, 2009.

   WolframAlpha is an answer-engine. The answer…

In week 12 Idea Workshop gave us a lecture on database transaction. The lecture gives me an overview of transaction and opens the door for us to learn transactions in other computer science. Here I want to review the lecture and talk about my opinions on some important aspects.

What is…

Following the road map, we have been through logical and applied senses of databases discussing about the E-R model and application of databases in a project, and finally we reached the elementary foundation of upper operations, data storage. Hexabird and LexisRadar shared with us some basic concepts about data storage and query as well as some storing methods that are both effective and…