Collaborative Intelligence at TU Kaiserslautern | Flashcards & Summaries

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What are the Search Engine Components?     

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  • Crawler
  • Information Retrievals
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Describe three of the HTTP-Request Methods


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  •  HTTP GET

    •  The GET method means retrieve whatever information is identified by the Request-URI.


  •  HTTP POST

    • The POST method is used to request that the origin server accept the
      entity enclosed in the request as a new subordinate of the resource identified by the Request-URI in the Request-Line.


  • HTTP PUT 

    • The PUT method requests that the enclosed entity be stored under the
      supplied Request-URI. 


  • HTTP DELETE

    • The DELETE method requests that the origin server delete the resource identified by the Request-URI.


  • HTTP HEAD

    • The head method is same like GET but without response body (useful for meta information)


  • HTTP TRACE

    • The TRACE method echoes the request with optional changes or additions by intermediate servers.


  • HTTP OPTIONS

    • The OPTIONS method returns all possible HTTP request methods the the server supports. 


  • HTTP CONNECT

    • The CONNECT method is used for tunnels.


  • HTTP PATCH

    • The PATCH method is used for partially changing the a resource

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TESTE DEIN WISSEN

What does a Crawler do?

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A Crawler searches the data repositories(or the web) for new or changes Documents
->  ideally not only including textual documents like HTML-based web pages but also other content formats

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How are the Query terms entered in the Interface ?    (Score Measuring) 

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The Query terms entered in the interface are compared with the document corpus using a "query" - independent score Measuring

  • the relevance  of the documents referring to the query terms
  • the importance od the documents considering the links to a given page
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What are the most important factors of an unsuccessful search?     

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TESTE DEIN WISSEN
  • Number of Keywords
  • Rare use of more sophisticated search operators, e.g. they do not understand the use of quotes and only 16% applied these techniques
  • Queries contain lexical errors in spelling or typing, syntatic errors of the input, and semantic errors 
  • Queries do not meet the terminology in the source text of the corpus
  • Queries do not meet context from which the user started the search
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Metadata are a common means for describing the contents of documents. What are their characteristics?

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  • Metadata is structured data allowing to locate indormation ressources more easily
  • Metadata is meant to describe content comprehensively
  • Metadata is often referred to as an index (the terms describing them are called indices or index terms) 
  • Metadata is divided into extrinsic, intrinsic and qualitative types
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What are some ways to improve the outcome of a search

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TESTE DEIN WISSEN
  • controlled vocabularies and thesouri by ..
  • a set of metadata that has either manually or to some extent automatically added to each document when it is submitted/stored
  • using it to expand "the semantic nature of a query" as "data about data"
  • using to annotate the documents in a repository with useful information about e.g, their content, purpose and origin
  • improving classification, ranking and relevance by exploiting the content of these "tags" ans use the information in them
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What does the operator " NOT -  " do?

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Forces the absence of this word in the document.

e.g. "drama -Goethe"
-> finds only documents in which the term Goethe is not included but which obtain the term drama.

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What does the operator " OR " do? 

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one or both words may occur in the document.

e.g "management OR knowledge"
-> finds all documents in which either the term "management" or the term "knowledge or both of them occur. 

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What does the operator " ... " do?

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Defines a phrase which must exactly occur like entered in the document.

e.g. "knowledge management systems"
would not find documents containing only the phrase "systems for knowledge management"

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What does the operator " AND + " do? 

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" AND + " forces the occurence of this word in the document
e.G "management + knowledge"
-> finds only documents in which "management" may, but the term "knowledge" must occur 

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What are a Query Processor and a Query Interface for?     

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Accessing the index

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  • 26943 Karteikarten
  • 740 Studierende
  • 76 Lernmaterialien

Beispielhafte Karteikarten für deinen Collaborative Intelligence Kurs an der TU Kaiserslautern - von Kommilitonen auf StudySmarter erstellt!

Q:

What are the Search Engine Components?     

A:
  • Crawler
  • Information Retrievals
Q:

Describe three of the HTTP-Request Methods


A:
  •  HTTP GET

    •  The GET method means retrieve whatever information is identified by the Request-URI.


  •  HTTP POST

    • The POST method is used to request that the origin server accept the
      entity enclosed in the request as a new subordinate of the resource identified by the Request-URI in the Request-Line.


  • HTTP PUT 

    • The PUT method requests that the enclosed entity be stored under the
      supplied Request-URI. 


  • HTTP DELETE

    • The DELETE method requests that the origin server delete the resource identified by the Request-URI.


  • HTTP HEAD

    • The head method is same like GET but without response body (useful for meta information)


  • HTTP TRACE

    • The TRACE method echoes the request with optional changes or additions by intermediate servers.


  • HTTP OPTIONS

    • The OPTIONS method returns all possible HTTP request methods the the server supports. 


  • HTTP CONNECT

    • The CONNECT method is used for tunnels.


  • HTTP PATCH

    • The PATCH method is used for partially changing the a resource

Q:

What does a Crawler do?

A:

A Crawler searches the data repositories(or the web) for new or changes Documents
->  ideally not only including textual documents like HTML-based web pages but also other content formats

Q:

How are the Query terms entered in the Interface ?    (Score Measuring) 

A:

The Query terms entered in the interface are compared with the document corpus using a "query" - independent score Measuring

  • the relevance  of the documents referring to the query terms
  • the importance od the documents considering the links to a given page
Q:

What are the most important factors of an unsuccessful search?     

A:
  • Number of Keywords
  • Rare use of more sophisticated search operators, e.g. they do not understand the use of quotes and only 16% applied these techniques
  • Queries contain lexical errors in spelling or typing, syntatic errors of the input, and semantic errors 
  • Queries do not meet the terminology in the source text of the corpus
  • Queries do not meet context from which the user started the search
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Q:

Metadata are a common means for describing the contents of documents. What are their characteristics?

A:
  • Metadata is structured data allowing to locate indormation ressources more easily
  • Metadata is meant to describe content comprehensively
  • Metadata is often referred to as an index (the terms describing them are called indices or index terms) 
  • Metadata is divided into extrinsic, intrinsic and qualitative types
Q:

What are some ways to improve the outcome of a search

A:
  • controlled vocabularies and thesouri by ..
  • a set of metadata that has either manually or to some extent automatically added to each document when it is submitted/stored
  • using it to expand "the semantic nature of a query" as "data about data"
  • using to annotate the documents in a repository with useful information about e.g, their content, purpose and origin
  • improving classification, ranking and relevance by exploiting the content of these "tags" ans use the information in them
Q:

What does the operator " NOT -  " do?

A:

Forces the absence of this word in the document.

e.g. "drama -Goethe"
-> finds only documents in which the term Goethe is not included but which obtain the term drama.

Q:

What does the operator " OR " do? 

A:

one or both words may occur in the document.

e.g "management OR knowledge"
-> finds all documents in which either the term "management" or the term "knowledge or both of them occur. 

Q:

What does the operator " ... " do?

A:

Defines a phrase which must exactly occur like entered in the document.

e.g. "knowledge management systems"
would not find documents containing only the phrase "systems for knowledge management"

Q:

What does the operator " AND + " do? 

A:

" AND + " forces the occurence of this word in the document
e.G "management + knowledge"
-> finds only documents in which "management" may, but the term "knowledge" must occur 

Q:

What are a Query Processor and a Query Interface for?     

A:

Accessing the index

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