Document (#15531)

Author

Fichtner, M.

Title

Im Land der Raketenwürmer

Source

Pl@net: das Internet Magazin. 1997, Febr, S.12-17

Year

1997

Abstract

Sie rasen wie gestört durchs Netz, klicken aus alles, was sich bewegt, merken sich jeden noch so unwichtigen Blödsinn - und sind damit zum wichtigsten und zugleich umstrittensten Stückchen Software im Internet geworden: die sog. Crawlers, Robots, Spiders, Worms und Ants

Content

Beitrag zu den verschiedenen search engines des Internet mit Erläuterung der 'META-Tags' im HEAD-Bereich von HTML-Dokumenten: <META name="description" content="..."> ("..." nicht länger als 200 Zeichen) und <META name="keywords" content="..."> ("..." als Komma separierte Stichwortliste, die nicht länger als 1000 Zeichen sein soll)

Theme

Suchmaschinen
Web-Agenten

Object

AltaVista
Yahoo
BotSpot
CnetSearch
Excite
Hotbot
InfoSeek
Lycos
WebCrawler

Similar documents (content)

1. Moody, G.: Searching the Web for gigabucks (1996) 0.21

   0.2125888 = sum of:
     0.2125888 = product of:
       0.892873 = sum of:
         0.018009966 = weight(abstract_txt:internet in 5671) [ClassicSimilarity], result of:
           0.018009966 = score(doc=5671,freq=1.0), product of:
             0.051521584 = queryWeight, product of:
               3.7286568 = idf(docFreq=2900, maxDocs=44421)
               0.013817733 = queryNorm
             0.34956157 = fieldWeight in 5671, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.7286568 = idf(docFreq=2900, maxDocs=44421)
               0.09375 = fieldNorm(doc=5671)
         0.028756078 = weight(abstract_txt:software in 5671) [ClassicSimilarity], result of:
           0.028756078 = score(doc=5671,freq=1.0), product of:
             0.070382886 = queryWeight, product of:
               1.1687965 = boost
               4.3580413 = idf(docFreq=1545, maxDocs=44421)
               0.013817733 = queryNorm
             0.40856636 = fieldWeight in 5671, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3580413 = idf(docFreq=1545, maxDocs=44421)
               0.09375 = fieldNorm(doc=5671)
         0.25857517 = weight(abstract_txt:crawlers in 5671) [ClassicSimilarity], result of:
           0.25857517 = score(doc=5671,freq=1.0), product of:
             0.30434898 = queryWeight, product of:
               2.430476 = boost
               9.06241 = idf(docFreq=13, maxDocs=44421)
               0.013817733 = queryNorm
             0.849601 = fieldWeight in 5671, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.06241 = idf(docFreq=13, maxDocs=44421)
               0.09375 = fieldNorm(doc=5671)
         0.26497075 = weight(abstract_txt:spiders in 5671) [ClassicSimilarity], result of:
           0.26497075 = score(doc=5671,freq=1.0), product of:
             0.309347 = queryWeight, product of:
               2.4503512 = boost
               9.1365185 = idf(docFreq=12, maxDocs=44421)
               0.013817733 = queryNorm
             0.8565486 = fieldWeight in 5671, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.1365185 = idf(docFreq=12, maxDocs=44421)
               0.09375 = fieldNorm(doc=5671)
         0.32256103 = weight(abstract_txt:worms in 5671) [ClassicSimilarity], result of:
           0.32256103 = score(doc=5671,freq=1.0), product of:
             0.3526863 = queryWeight, product of:
               2.616373 = boost
               9.755557 = idf(docFreq=6, maxDocs=44421)
               0.013817733 = queryNorm
             0.91458344 = fieldWeight in 5671, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.755557 = idf(docFreq=6, maxDocs=44421)
               0.09375 = fieldNorm(doc=5671)
       0.23809524 = coord(5/21)
   

2. Schulzki-Haddouti, C.: Mit Google durchs WWW : Was die immer populärer werdende Suchmaschine vom Rest der Welt unterscheidet (2001) 0.16

   0.1610884 = sum of:
     0.1610884 = product of:
       0.84571415 = sum of:
         0.01917072 = weight(abstract_txt:software in 1529) [ClassicSimilarity], result of:
           0.01917072 = score(doc=1529,freq=1.0), product of:
             0.070382886 = queryWeight, product of:
               1.1687965 = boost
               4.3580413 = idf(docFreq=1545, maxDocs=44421)
               0.013817733 = queryNorm
             0.27237758 = fieldWeight in 1529, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3580413 = idf(docFreq=1545, maxDocs=44421)
               0.0625 = fieldNorm(doc=1529)
         0.027841894 = weight(abstract_txt:damit in 1529) [ClassicSimilarity], result of:
           0.027841894 = score(doc=1529,freq=1.0), product of:
             0.09026249 = queryWeight, product of:
               1.323607 = boost
               4.935276 = idf(docFreq=867, maxDocs=44421)
               0.013817733 = queryNorm
             0.30845475 = fieldWeight in 1529, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.935276 = idf(docFreq=867, maxDocs=44421)
               0.0625 = fieldNorm(doc=1529)
         0.029477015 = weight(abstract_txt:sich in 1529) [ClassicSimilarity], result of:
           0.029477015 = score(doc=1529,freq=2.0), product of:
             0.09376278 = queryWeight, product of:
               1.9078122 = boost
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.013817733 = queryNorm
             0.31437865 = fieldWeight in 1529, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.0625 = fieldNorm(doc=1529)
         0.7692245 = weight(title_txt:durchs in 1529) [ClassicSimilarity], result of:
           0.7692245 = score(doc=1529,freq=1.0), product of:
             0.3273685 = queryWeight, product of:
               2.5207155 = boost
               9.398883 = idf(docFreq=9, maxDocs=44421)
               0.013817733 = queryNorm
             2.3497207 = fieldWeight in 1529, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.398883 = idf(docFreq=9, maxDocs=44421)
               0.25 = fieldNorm(doc=1529)
       0.1904762 = coord(4/21)
   

3. Vidmar, D.J.; Anderson-Cahoon, C.J.: Internet search tools : history to 2000 (2009) 0.15

   0.15216483 = sum of:
     0.15216483 = product of:
       0.7988654 = sum of:
         0.025469938 = weight(abstract_txt:internet in 811) [ClassicSimilarity], result of:
           0.025469938 = score(doc=811,freq=2.0), product of:
             0.051521584 = queryWeight, product of:
               3.7286568 = idf(docFreq=2900, maxDocs=44421)
               0.013817733 = queryNorm
             0.49435472 = fieldWeight in 811, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.7286568 = idf(docFreq=2900, maxDocs=44421)
               0.09375 = fieldNorm(doc=811)
         0.18586367 = weight(abstract_txt:robots in 811) [ClassicSimilarity], result of:
           0.18586367 = score(doc=811,freq=1.0), product of:
             0.24421759 = queryWeight, product of:
               2.1771777 = boost
               8.117949 = idf(docFreq=35, maxDocs=44421)
               0.013817733 = queryNorm
             0.7610577 = fieldWeight in 811, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.117949 = idf(docFreq=35, maxDocs=44421)
               0.09375 = fieldNorm(doc=811)
         0.26497075 = weight(abstract_txt:spiders in 811) [ClassicSimilarity], result of:
           0.26497075 = score(doc=811,freq=1.0), product of:
             0.309347 = queryWeight, product of:
               2.4503512 = boost
               9.1365185 = idf(docFreq=12, maxDocs=44421)
               0.013817733 = queryNorm
             0.8565486 = fieldWeight in 811, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.1365185 = idf(docFreq=12, maxDocs=44421)
               0.09375 = fieldNorm(doc=811)
         0.32256103 = weight(abstract_txt:worms in 811) [ClassicSimilarity], result of:
           0.32256103 = score(doc=811,freq=1.0), product of:
             0.3526863 = queryWeight, product of:
               2.616373 = boost
               9.755557 = idf(docFreq=6, maxDocs=44421)
               0.013817733 = queryNorm
             0.91458344 = fieldWeight in 811, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.755557 = idf(docFreq=6, maxDocs=44421)
               0.09375 = fieldNorm(doc=811)
       0.1904762 = coord(4/21)
   

4. Internet-Agenten : intelligente Suchwerkzeuge für das Internet (1996) 0.15

   0.14731343 = sum of:
     0.14731343 = product of:
       1.031194 = sum of:
         0.24781823 = weight(abstract_txt:robots in 4567) [ClassicSimilarity], result of:
           0.24781823 = score(doc=4567,freq=1.0), product of:
             0.24421759 = queryWeight, product of:
               2.1771777 = boost
               8.117949 = idf(docFreq=35, maxDocs=44421)
               0.013817733 = queryNorm
             1.0147436 = fieldWeight in 4567, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               8.117949 = idf(docFreq=35, maxDocs=44421)
               0.125 = fieldNorm(doc=4567)
         0.3532943 = weight(abstract_txt:spiders in 4567) [ClassicSimilarity], result of:
           0.3532943 = score(doc=4567,freq=1.0), product of:
             0.309347 = queryWeight, product of:
               2.4503512 = boost
               9.1365185 = idf(docFreq=12, maxDocs=44421)
               0.013817733 = queryNorm
             1.1420648 = fieldWeight in 4567, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.1365185 = idf(docFreq=12, maxDocs=44421)
               0.125 = fieldNorm(doc=4567)
         0.4300814 = weight(abstract_txt:worms in 4567) [ClassicSimilarity], result of:
           0.4300814 = score(doc=4567,freq=1.0), product of:
             0.3526863 = queryWeight, product of:
               2.616373 = boost
               9.755557 = idf(docFreq=6, maxDocs=44421)
               0.013817733 = queryNorm
             1.2194446 = fieldWeight in 4567, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.755557 = idf(docFreq=6, maxDocs=44421)
               0.125 = fieldNorm(doc=4567)
       0.14285715 = coord(3/21)
   

5. Monyer, H.; Gessmann, M.: ¬Das geniale Gedächtnis : wie das Gehirn aus der Vergangenheit unsere Zukunft macht (2017) 0.12

   0.12437779 = sum of:
     0.12437779 = product of:
       0.65298337 = sum of:
         0.024390198 = weight(abstract_txt:sind in 407) [ClassicSimilarity], result of:
           0.024390198 = score(doc=407,freq=1.0), product of:
             0.05690621 = queryWeight, product of:
               1.0509577 = boost
               3.9186604 = idf(docFreq=2398, maxDocs=44421)
               0.013817733 = queryNorm
             0.42860347 = fieldWeight in 407, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.9186604 = idf(docFreq=2398, maxDocs=44421)
               0.109375 = fieldNorm(doc=407)
         0.10107503 = weight(abstract_txt:alles in 407) [ClassicSimilarity], result of:
           0.10107503 = score(doc=407,freq=1.0), product of:
             0.14681779 = queryWeight, product of:
               1.6880866 = boost
               6.294296 = idf(docFreq=222, maxDocs=44421)
               0.013817733 = queryNorm
             0.6884386 = fieldWeight in 407, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.294296 = idf(docFreq=222, maxDocs=44421)
               0.109375 = fieldNorm(doc=407)
         0.051584776 = weight(abstract_txt:sich in 407) [ClassicSimilarity], result of:
           0.051584776 = score(doc=407,freq=2.0), product of:
             0.09376278 = queryWeight, product of:
               1.9078122 = boost
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.013817733 = queryNorm
             0.5501626 = fieldWeight in 407, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.5567884 = idf(docFreq=3444, maxDocs=44421)
               0.109375 = fieldNorm(doc=407)
         0.47593337 = weight(abstract_txt:merken in 407) [ClassicSimilarity], result of:
           0.47593337 = score(doc=407,freq=2.0), product of:
             0.3273685 = queryWeight, product of:
               2.5207155 = boost
               9.398883 = idf(docFreq=9, maxDocs=44421)
               0.013817733 = queryNorm
             1.4538155 = fieldWeight in 407, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               9.398883 = idf(docFreq=9, maxDocs=44421)
               0.109375 = fieldNorm(doc=407)
       0.1904762 = coord(4/21)