Communications of the ACM
Organizing Unstructured Data
Vector databases, commonly used for similarity search and product recommendations, are a shining light in the era of Artificial… From ACM NewsAn edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.
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Nasa's Dawn Spacecraft Begins Science Orbits of Vesta
NASA's Dawn spacecraft, the first ever to orbit an object in the main asteroid belt, is spiraling toward its first of four intensive science orbits. That initial...
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Nasa's Next Mars Rover to Land at Gale Crater
NASA's next Mars rover will land at the foot of a layered mountain inside the planet's Gale crater. The car-sized Mars Science Laboratory, or Curiosity, is scheduled...
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Nasa Dawn Spacecraft Returns Close-Up Image of Asteroid Vesta
NASA's Dawn spacecraft has returned the first close-up image after beginning its orbit around the giant asteroid Vesta. On Friday, July 15, Dawn became the first...
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Nasa Spacecraft to Enter Large Asteroid's Orbit on July 15
On July 15, NASA's Dawn spacecraft will begin a prolonged encounter with the asteroid Vesta, making the mission the first to enter orbit around a main-belt asteroid...
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Scientists Hope to Get Glimpse of Adolescent Universe from Revolutionary Instrument-on-a-Chip
Scientists know what the universe looked like when it was a baby. They know what it looks like today. What they don't know is how it looked in its youth.
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Dawn Nears Start of Year-Long Stay at Giant Asteroid
NASA's Dawn spacecraft is on track to begin the first extended visit to a large asteroid. The mission expects to go into orbit around Vesta on July 16 and begin...
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Nasa Spacecraft Confirms Theories, Sees Surprises at Mercury
NASA scientists are making new discoveries about the planet Mercury. Data from MESSENGER, the first spacecraft to orbit Mercury, is giving scientists important...
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Dawn Captures Video on Approach to Asteroid Vesta
Scientists working with NASA's Dawn spacecraft have created a new video showing the giant asteroid Vesta as the spacecraft approaches this unexplored world in...
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Nasa Probes Suggest Magnetic Bubbles Reside At Solar System Edge
Observations from NASA's Voyager spacecraft, humanity's farthest deep space sentinels, suggest the edge of our solar system may not be smooth, but filled with...
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NASA Concludes Attempts To Contact Mars Rover Spirit
NASA is ending attempts to regain contact with the long-lived Mars Exploration Rover Spirit, which last communicated on March 22, 2010.
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Free-Floating Planets May Be More Common Than Stars
Astronomers, including a NASA-funded team member, have discovered a new class of Jupiter-sized planets floating alone in the dark of space, away from the light...
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Galileo Data Reveal Magma Ocean Under Jupiter Moon
New data analysis from NASA's Galileo spacecraft reveals a subsurface ocean of molten or partially molten magma beneath the surface of Jupiter's volcanic moon...
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NASA's Dawn Captures First Image of Nearing Asteroid
NASA's Dawn spacecraft has obtained its first image of the giant asteroid Vesta, which will help fine-tune navigation during its approach. Dawn is expected to...
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Voyager Set to Enter Interstellar Space
More than 30 years after they left Earth, NASA's twin Voyager probes are now at the edge of the solar system.
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Nasa's Hubble Celebrates 21st Anniversary with 'rose' of Galaxies
To celebrate the 21st anniversary of the Hubble Space Telescope's deployment into space, astronomers at the Space Telescope Science Institute in Baltimore, Md...
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First Image Ever Obtained from Mercury Orbit
At 5:20 am EDT on Mar. 29, 2011, Messenger captured this historic image of Mercury, the first ever obtained from a spacecraft in orbit about the Solar System's...
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Nasa's Messenger Spacecraft Begins Historic Orbit Around Mercury
NASA's MESSENGER spacecraft successfully achieved orbit around Mercury at approximately 9 p.m. EDT Thursday. This marks the first time a spacecraft has accomplished...
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Heading Into the Bonus Round
A bonus round is something one usually associates with the likes of a TV game show, not a pioneering deep space mission. "We are definitely in the bonus round...
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Cassini Celebrates 10 Years Since Jupiter Encounter
Ten years ago, on Dec. 30, 2000, NASA's Cassini spacecraft made its closest approach to Jupiter on its way to orbiting Saturn. The main purpose was to use the...
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