Can machine really understand what you really want to express? Currently a computer program developed at the University of Missouri could grade essay and offer students writing advices. This program cost 6 years, called Qualrus, and has been testing on the pupils. It works by scanning text for keywords, phrases and language patterns. What students need to do is to load the paper into the program via the Web, like the common web-based submitting systems, and then they will get the instant feedback.
This news described this program in details. I believe that Qualrus is not the first such program, as I know, some colleges in the State use e-rater system to give students scores. I doubt the precision of such program. As for the choice questions in the exams, such as GRE, GMAT, LSAT, we could still discuss the future of such programs further. However, as for the essay student express their personal ideas and feelings with a paper, how does a cold and electrical machine differ between unadulterated and adulterated sentences, understand affecting feeling expressed within each line, and infer a conclusion by reasoning the strong logics in the arguments, etc.? If Qualrus really could give marks based on those stuffs, then he should be able to think itself as we do.... I don't know...
But Qualrus is a truly brave breakthrough in driving computer to think!
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