Although sometimes too abstruse, this is mostly a surprisingly lucid introduction to techniques that are making computers...
A nonmathematical yet still somewhat technical explanation of how researchers are going about achieving artificial intelligence.
This is not another cheerful or alarming exercise in futurology. Science writer Mitchell (Computer Science/Portland State Univ.; Complexity: A Guided Tour, 2011, etc.) begins by wondering if an intelligent machine would “require us to reverse engineer the human in all its complexity or is there a shortcut, a clever set of yet unknown algorithms, that will produce what we recognize as full intelligence.” She then explains what researchers have done so far. Beginning in the 1950s, when success seemed just around the corner, there was symbolic AI, which involved programmers using symbols that humans could understand to solve straightforward logical problems. This led to “expert systems,” which used massively detailed instructions to make decisions in narrow fields such as disease diagnosis better than human experts. By the 1980s, the limitations of AI became more obvious. Today, concepts such as “deep learning,” relying on artificial neural networks, evaluate information without following rigid instructions. Despite the name and hype (and accomplishments—e.g., being unbeatable at Jeopardy), machine and human learning are not comparable. Highly advanced computers are “trained” by immense inputs, made possible only with the advent of 21st-century “big data.” After evaluating their outputs, programmers retrain them to improve their accuracy. Like humans, they are not perfect. Mitchell maintains that true superintelligence will not happen until machines acquire human qualities such as common sense and consciousness. These are nowhere in sight despite recent spectacular advances—in translation, facial recognition, etc.—and the author believes that this absence makes it unlikely that one anticipated breakthrough, true driverless cars, will happen any time soon. “It’s worth remembering,” she writes, “that the first 90 percent of a complex technology project takes 10 percent of the time and the last 10 percent takes 90 percent of the time.”
Although sometimes too abstruse, this is mostly a surprisingly lucid introduction to techniques that are making computers smarter.Pub Date: Oct. 15, 2019
ISBN: 978-0-374-25783-5
Page Count: 352
Publisher: Farrar, Straus and Giroux
Review Posted Online: July 16, 2019
Kirkus Reviews Issue: Aug. 15, 2019
For Howard Zinn, long-time civil rights and anti-war activist, history and ideology have a lot in common. Since he thinks that everything is in someone's interest, the historian—Zinn posits—has to figure out whose interests he or she is defining/defending/reconstructing (hence one of his previous books, The Politics of History). Zinn has no doubts about where he stands in this "people's history": "it is a history disrespectful of governments and respectful of people's movements of resistance." So what we get here, instead of the usual survey of wars, presidents, and institutions, is a survey of the usual rebellions, strikes, and protest movements. Zinn starts out by depicting the arrival of Columbus in North America from the standpoint of the Indians (which amounts to their standpoint as constructed from the observations of the Europeans); and, after easily establishing the cultural disharmony that ensued, he goes on to the importation of slaves into the colonies. Add the laborers and indentured servants that followed, plus women and later immigrants, and you have Zinn's amorphous constituency. To hear Zinn tell it, all anyone did in America at any time was to oppress or be oppressed; and so he obscures as much as his hated mainstream historical foes do—only in Zinn's case there is that absurd presumption that virtually everything that came to pass was the work of ruling-class planning: this amounts to one great indictment for conspiracy. Despite surface similarities, this is not a social history, since we get no sense of the fabric of life. Instead of negating the one-sided histories he detests, Zinn has merely reversed the image; the distortion remains.
Pub Date: Jan. 1, 1979
ISBN: 0061965588
Page Count: 772
Publisher: Harper & Row
Review Posted Online: May 26, 2012
Kirkus Reviews Issue: Jan. 1, 1979
BOOK REVIEW
BOOK REVIEW
BOOK REVIEW
This moving, potent testament might have been titled “Black Lives Matter.” Or: “An American Tragedy.”
The powerful story of a father’s past and a son’s future.
Atlantic senior writer Coates (The Beautiful Struggle: A Father, Two Sons, and an Unlikely Road to Manhood, 2008) offers this eloquent memoir as a letter to his teenage son, bearing witness to his own experiences and conveying passionate hopes for his son’s life. “I am wounded,” he writes. “I am marked by old codes, which shielded me in one world and then chained me in the next.” Coates grew up in the tough neighborhood of West Baltimore, beaten into obedience by his father. “I was a capable boy, intelligent and well-liked,” he remembers, “but powerfully afraid.” His life changed dramatically at Howard University, where his father taught and from which several siblings graduated. Howard, he writes, “had always been one of the most critical gathering posts for black people.” He calls it The Mecca, and its faculty and his fellow students expanded his horizons, helping him to understand “that the black world was its own thing, more than a photo-negative of the people who believe they are white.” Coates refers repeatedly to whites’ insistence on their exclusive racial identity; he realizes now “that nothing so essentialist as race” divides people, but rather “the actual injury done by people intent on naming us, intent on believing that what they have named matters more than anything we could ever actually do.” After he married, the author’s world widened again in New York, and later in Paris, where he finally felt extricated from white America’s exploitative, consumerist dreams. He came to understand that “race” does not fully explain “the breach between the world and me,” yet race exerts a crucial force, and young blacks like his son are vulnerable and endangered by “majoritarian bandits.” Coates desperately wants his son to be able to live “apart from fear—even apart from me.”
This moving, potent testament might have been titled “Black Lives Matter.” Or: “An American Tragedy.”Pub Date: July 8, 2015
ISBN: 978-0-8129-9354-7
Page Count: 176
Publisher: Spiegel & Grau
Review Posted Online: May 5, 2015
Kirkus Reviews Issue: July 1, 2015
BOOK REVIEW
BOOK REVIEW
SEEN & HEARD
BOOK TO SCREEN
BOOK TO SCREEN
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