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1st Year, Second Sem > ITEC50 > Flashcards

ITEC50 Flashcards

1
Q

a program that searches documents for specified keywords and returns a list of the documents where the keywords were found

A

search engine

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2
Q

sending out a spider to fetch as many documents as possible

A

search engine

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3
Q

an indexer, who reads documents and creates an index based on the words contained in each document

A

search engine

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4
Q

proprietary algorithm to create its indices such that, ideally, only meaningful results are returned for each query

A

search engine

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5
Q

How do web search engines work?​

A
  1. finding specific information on the vast expanse of the World Wide Web.
  2. it would be virtually impossible to locate anything on the Web without knowing a specific URL.
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6
Q

Algorithm of search engine:​

A
  1. to determine the relevance of the information in the index​
  2. frequency and location of keywords on a Web page​
  3. the way that pages link to other pages on the Web
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7
Q

A search engine consists of three components:​

A
  1. spider
  2. index
  3. search engine mechanism
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8
Q

program that traverses the Web from link to link, identifying and reading pages

A

spider

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9
Q

database containing a copy of each Web page gathered by the spider

A

index

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10
Q

software that enables users to query the index and that usually returns results in relevancy ranked order

A

search engine mechanism

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11
Q

backbone or procedure of technology

A

algorithm

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12
Q

Three types of search engines:​

A
  1. powered by robots (called crawlers; ants or spiders)​
  2. powered by human submissions​
  3. hybrid of the two​
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13
Q

automated software agents

A

crawlers

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14
Q

use automated software agents (called crawlers) that visit a Web site

A

crawler-based search engines​

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15
Q

read the information on the actual site​

A

crawler-based search engines​

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16
Q

read the site’s meta tags​

A

crawler-based search engines​

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17
Q

follow the links that the site connects to perform indexing on all linked Web sites as well

A

crawler-based search engines​

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18
Q

returns all that information back to a central depository​

A

crawler-based search engines​

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19
Q

check for any information that has changed​

A

crawler-based search engines​

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20
Q

rely on humans to submit information that is subsequently indexed and cataloged

A

human-powered search engines​

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21
Q

only information that is submitted is put into the index

A

human-powered search engines​

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22
Q

Query on Search Engine​

A
  1. searching through the index that the search engine has created​
  2. giant databases of information that is collected and stored and subsequently searched.​
  3. index hasn’t been updated since a Web page became invalid​
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23
Q

it enables you to search through various Internet databases

A

alenka

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24
Q

provides ad-free result

A

alenka

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25
Q

Some of the Internet Search Engines ​you can use to search the Web

A
  1. google
  2. yahoo
  3. baidu
  4. bing
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26
Q

January 1996 as a research project by Larry Page and Sergey Brin

A

google

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27
Q

99% of its revenue is derived from its advertising programs

A

google

28
Q

its web search engine is the company’s most popular service

A

google

29
Q

made by Jerry Yang and David Filo​ that grew rapidly throughout the 90s

A

yahoo

30
Q

samples of yahoo

A

Yahoo! Messenger and Yahoo! Mail

31
Q

it offers services for on-the-go messaging​

A

Yahoo! mobile

32
Q

Chinese search engine for websites, audio files, and images

A

baidu

33
Q

index of over 740M web pages, 80M images, and 10M multimedia files

A

baidu

34
Q

became the first Chinese company to be included in the NASDAQ-100 index

A

baidu

35
Q

formerly Live Search, Windows Live Search, and MSN Search

A

bing

36
Q

Notable changes include the listing of search suggestions as queries are entered

A

bing

37
Q

list of related searches

A

explorer pane

38
Q

top sites in the Philippines

A
  1. Google.com.ph
  2. Youtube.com
  3. Google.com
  4. Abs-cbn.com
  5. Facebook.com
39
Q

first tool for searching the Internet, created in 1990

A

Archie

40
Q

downloaded directory listings of all files located on public anonymous FTP servers​

A

Archie

41
Q

it indexed plain text documents​

A

Gopher

42
Q

they came along to search Gopher’s index system​

A

Veronica and Jughead

43
Q

first actual Web search engine was developed by Matthew Gray in 1993 and was called

A

Wandex

44
Q

Key Terms To Understanding Web Search Engines​

A
  1. spider trap
  2. meta tag
  3. deep link
  4. robot
45
Q

a condition of dynamic Web sites in which a search engine’s spider becomes trapped in an endless loop of code

A

spider trap

46
Q

group of pages that have links only to the pages within the group

A

spider trap

47
Q

simplest form of spider trap with only one page

A

E

48
Q

has two incoming links and only one link going out to itself

A

E

49
Q

a special HTML tag that provides information about a Web page

A

meta tag

50
Q

a hyperlink either on a Web page or in the results of a search engine query to a page on a Web site other than the site’s home page​

A

deep link

51
Q

a program that runs automatically without human intervention

A

robot

52
Q

collections of reviewed and recommended links that have been created by subject specialists, usually librarians, to support research needs and to pinpoint high-quality sites on the web

A

library gateways

53
Q

WHEN DO YOU USE LIBRARY GATEWAYS AND SUBJECT-SPECIFIC DATABASES?​

A
  1. library gateways - Use it when you are looking for high quality information sites on the Web
  2. subject-specific databases - use it when looking for information on a specific topic and thousands of databases devoted to specific topics of interest
54
Q

Examples of Library Gateways​

A
  1. Academic Information​
  2. Digital Librarian​
  3. Infomine​
  4. Internet Public Library​
  5. Librarians’ Index to the Internet​
  6. PINAKES​
  7. WWW Virtual Library​
55
Q

Examples of Subject-specific Databases​

A
  1. Educator’s Reference Desk (educational information)​
  2. Expedia (travel)​
  3. Internet Movie Database (movies)​
  4. Jumbo Software (computer software)​
  5. Kelley Blue Book (car values)​
  6. Monster Board (jobs)​
  7. Motley Fool (personal investment)​
  8. MySimon (comparison shopping)​
  9. Roller Coaster Database (roller coasters)​
  10. Voice of the Shuttle (humanities research)​
  11. WebMD (health information)​
56
Q

may kinalaman sa search

A

Keyword relevance

57
Q

engagement metrics ng link

A

Page authority

58
Q

performance

A

User experience

59
Q

gaano kaupdated yung page

A

freshness

60
Q

pre-displayed information

A

snippets/metadescription

61
Q

pagtaas ng visibility ng site sa search engines

A

search engine optimization

62
Q

multiple other search engines

A

meta-search

63
Q

boost keyword rankings

A

meta tags

64
Q

following one page to another

A

spider/crawling

65
Q

Storing web pages on a database

A

index/indexing

66
Q

Ranking by popularity and relevance

A

search engine mechanism

67
Q

reads documents and creates an index based on the words contained in each document

A

indexer

1st Year, Second Sem (11 decks)

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