artificial intelligence, hard sf (3)
artificial intelligence, hard sf, science fiction (3)
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hard sf, novel, space opera (3)
hard sf, space opera (3)
1996, Spanish (2)
20th century, hard sf, science fiction (2)
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artificial intelligence, space (2)
artificial intelligence, space opera (2)
fantasy, hard sf (2)
far future, hard sf, science fiction, space opera (2)
1987, American literature (1)
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1994, science fiction (1)
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2011, hard sf (1)
AI, space opera (1)
alien artifacts, science fiction (1)
aliens, hard sf, science fiction (1)
