Knowledge Graph
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The Knowledge Graph is a knowledge base used by Google to enhance its search engine's search results with semantic-search information gathered from a wide variety of sources. Knowledge Graph display was added to Google's search engine in 2012, starting in the United States, having been announced on May 16, 2012.[1] It provides structured and detailed information about the topic in addition to a list of links to other sites. The goal is that users would be able to use this information to resolve their query without having to navigate to other sites and assemble the information themselves.[2] The short summary provided in the knowledge graph is often used as a spoken answer in Google Now searches.[3]
According to some news websites, the implementation of Google's Knowledge Graph has played a role in the page view decline of various language versions of Wikipedia.[4][5][6][7]
Contents
Overview
According to Google, the information in the Knowledge Graph is derived from many sources, including the CIA World Factbook, Wikidata, and Wikipedia.[1] The feature is similar in intent to answer engines such as Wolfram Alpha and efforts such as Linked Data and DBpedia.
As of 2012[update], its semantic network contained over 570 million objects and more than 18 billion facts about and relationships between different objects that are used to understand the meaning of the keywords entered for the search.[8][9]
On December 4, 2012, the Knowledge Graph was introduced in seven more languages: Spanish, French, German, Portuguese, Japanese, Russian, and Italian.[10][11]
During the Google I/O conference in May 2013, Google's Amit Singhal presented on the future of search, explaining that a search engine's three primary functions will need to evolve and that search will need to: 1. Answer, 2. Converse, and 3. Anticipate.[12] As part of his keynote talk Singhal asked: "A computer you can talk to? And it will answer everything you ask it?"[13]
In August 2014, Google announced a new initiative, the Knowledge Vault, which derives much of its data from the Knowledge Graph and the sources thereof, as well as harvesting its own data, ranking its reliability and compiling all results into a database of over 1.6 billion facts collected by machine learning algorithms. On December 16, 2014, the Freebase and Knowledge Graph team at Google announced that Freebase would shut-down in late 2015 and that they would help to transfer all of its data over to Wikidata.[14]
Omission of Jesus
While there is a Knowledge Graph for most major historical or pseudo-historical religious figures such as Moses, Muhammad and Gautama Buddha, there is none for Jesus, the central figure of Christianity.[15][16] Knowledge Graphs are present for secondary Christian figures such as Mary, Joseph and Saint Peter.
Competition
Microsoft Bing's knowledge base, named Satori Knowledge Base, was revealed to the public in mid-2013,[17] but further details were not released. Other companies such as Yahoo! and Baidu have also been working on knowledge graphs.[citation needed]
Knowledge panels
According to Google, information in the knowledge graph powers a "knowledge panel", which is a box containing information, and the box is presented at the top of search results.[18] In May 2016, The Washington Post reported that "knowledge panels and other sorts of 'rich answers' have mushroomed across Google, appearing atop the results on roughly one-third of its 100 billion monthly searches". Dario Taraborelli of the Wikimedia Foundation says that Google's frequent omission of sources in its knowledge panels is a ploy designed so that the knowledge panel will seem more authoritative. Whatever the motive, the result is that Google's omission of sources makes it more difficult for readers to verify the accuracy of knowledge panels, and to find context for them, which magnifies the problematic nature of imperfect information within a knowledge panel. The Post reports that Google's knowledge panels are "frequently unattributed", such as a knowledge panel on the age of actress Betty White which is "as unsourced and absolute as if handed down by God".[19]
See also
References
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- ↑ http://blogs.bing.com/search/2013/03/21/understand-your-world-with-bing/
- ↑ "Your business information in the Knowledge Panel", https://support.google.com, accessed May 12, 2016.
- ↑ Dewey, Caitlin. "You probably haven’t even noticed Google’s sketchy quest to control the world’s knowledge", Washington Post (May 11, 2016): "The one on the left is unsourced; the one on the right is sourced to Wikipedia".
External links
- REDIRECT Template:Google LLC
