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Japanese scientist unveils 'thinking' robot


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Kawada Industries' humanoid robot Hiro pours water into a cup as Tokyo Institute of Technology associate professor Osamu Hasegawa watches, at his laboratory in Yokohama, suburban Tokyo.

Hasegawa has developed a system that allows robots to look around their environment and do research on the Internet, enabling them to "think" how best to solve a problem.

In a world first, Osamu Hasegawa, associate professor at the Tokyo Insitute of Technology, has developed a system that allows robots to look around their environment and do research on the Internet, enabling them to "think" how best to solve a problem.

"Most existing robots are good at processing and performing the tasks they are pre-programmed to do, but they know little about the 'real world' where we humans live," he told AFP.

"So our project is an attempt to build a bridge between robots and that real world," he said.

The Self-Organizing Incremental Neural Network, or "SOINN", is an algorithm that allows robots to use their knowledge -- what they already know -- to infer how to complete tasks they have been told to do.

SOINN examines the environment to gather the data it needs to organise the information it has been given into a coherent set of instructions.

Tell a SOINN-powered machine that it should, for example: "Serve water".

Without special programmes for water-serving, the robot works out the order of the actions required to complete the task.

The SOINN machine asks for help when facing a task beyond its ability and crucially, stores the information it learns for use in a future task.

In a separate experiment, SOINN is used to power machines to search the Internet for information on what something looks like, or what a particular word might mean.

Hasegawa's team is trying to merge these abilities and create a machine that can work out how to perform a given task through online research.

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Like humans, the system can also filter out "noise" or insignificant information that might confuse other robots.

The process is similar to how people can carry on a conversation with a travelling companion on a train and ignore those around them, or can identify an object under different lighting and from various angles, Hasegawa said.

"We might ask a robot to bring soy sauce to the dinner table. It might browse the Internet to learn what soy sauce is and identify it in the kitchen," said Hasegawa.

But, cautions the professor, there are reasons to be careful about robots that can learn.

What kinds of tasks should we allow computers to perform? And is it possible that they might turn against us, like in the apocalyptic vision of Stanley Kubrick's film "2001: A Space Odyssey".

"A kitchen knife is a useful thing. But it can also become a weapon," he said.

http://www.physorg.c...eils-robot.html

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