We have seen that many software <e1>patents</e1> covering well-known <e2>algorithms</e2> and techniques hinder the software industry in the United States of America and around the world.
We have seen that
We have seen that many software patents covering well-known algorithms and techniques hinder the software industry in the United States of America and around the world.
<triplet> patents <subject> algorithms <object> Message-Topic(e1,e2)