Document (#20705)

Author
Potmesil, M.
Title
Maps alive : viewing geospatial information on the WWW
Source
Computer networks and ISDN systems. 29(1997) no.8, S.1327-1342
Year
1997
Abstract
Describes a WWW based system which allows users to view, search and post geographically indexed information of the Earth. 2 geographic browsers have been developed: a 2D map browser capable of continuous scroll and zoom of an arbitrarily large sheet and a 3D flight-simulator browser capable of continuous flight around the Earth. On the server side, a geographical and geometrical server has been developed which contains large databases of images, elevations, lines, points and polygons stored in tiles structured into hierarchical pyramids or quadtrees. A metadata server has also been developed which contains URL pointers and geographical coordinates of various WWW documents, geographical information and geometrical models
Footnote
Contribution to a special issue of papers from the 6th International World Wide Web conference, held 7-11 Apr 1997, Santa Clara, California
Theme
Informationsmittel
Internet
Suchoberflächen
Field
Geowissenschaften

Similar documents (content)

  1. Brunetti, J.M.; Roberto García, R.: User-centered design and evaluation of overview components for semantic data exploration (2014) 0.10
    0.095924184 = sum of:
      0.095924184 = product of:
        0.29976308 = sum of:
          0.010258252 = weight(abstract_txt:information in 3091) [ClassicSimilarity], result of:
            0.010258252 = score(doc=3091,freq=5.0), product of:
              0.040326603 = queryWeight, product of:
                2.42692 = idf(docFreq=10382, maxDocs=43254)
                0.01661637 = queryNorm
              0.25437927 = fieldWeight in 3091, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                2.42692 = idf(docFreq=10382, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
          0.043815415 = weight(abstract_txt:browsers in 3091) [ClassicSimilarity], result of:
            0.043815415 = score(doc=3091,freq=1.0), product of:
              0.12586653 = queryWeight, product of:
                1.0199965 = boost
                7.4263496 = idf(docFreq=69, maxDocs=43254)
                0.01661637 = queryNorm
              0.34811014 = fieldWeight in 3091, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4263496 = idf(docFreq=69, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
          0.008052107 = weight(abstract_txt:which in 3091) [ClassicSimilarity], result of:
            0.008052107 = score(doc=3091,freq=1.0), product of:
              0.05867761 = queryWeight, product of:
                1.2062585 = boost
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.01661637 = queryNorm
              0.13722622 = fieldWeight in 3091, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
          0.026970517 = weight(abstract_txt:large in 3091) [ClassicSimilarity], result of:
            0.026970517 = score(doc=3091,freq=2.0), product of:
              0.09107905 = queryWeight, product of:
                1.2270657 = boost
                4.466985 = idf(docFreq=1349, maxDocs=43254)
                0.01661637 = queryNorm
              0.29612207 = fieldWeight in 3091, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.466985 = idf(docFreq=1349, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
          0.09107489 = weight(abstract_txt:zoom in 3091) [ClassicSimilarity], result of:
            0.09107489 = score(doc=3091,freq=1.0), product of:
              0.20500198 = queryWeight, product of:
                1.301735 = boost
                9.47762 = idf(docFreq=8, maxDocs=43254)
                0.01661637 = queryNorm
              0.44426346 = fieldWeight in 3091, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                9.47762 = idf(docFreq=8, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
          0.021748368 = weight(abstract_txt:been in 3091) [ClassicSimilarity], result of:
            0.021748368 = score(doc=3091,freq=2.0), product of:
              0.090324834 = queryWeight, product of:
                1.4966071 = boost
                3.6321454 = idf(docFreq=3110, maxDocs=43254)
                0.01661637 = queryNorm
              0.24077949 = fieldWeight in 3091, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6321454 = idf(docFreq=3110, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
          0.033546954 = weight(abstract_txt:developed in 3091) [ClassicSimilarity], result of:
            0.033546954 = score(doc=3091,freq=2.0), product of:
              0.120584495 = queryWeight, product of:
                1.7292187 = boost
                4.1966753 = idf(docFreq=1768, maxDocs=43254)
                0.01661637 = queryNorm
              0.2782029 = fieldWeight in 3091, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.1966753 = idf(docFreq=1768, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
          0.06429657 = weight(abstract_txt:capable in 3091) [ClassicSimilarity], result of:
            0.06429657 = score(doc=3091,freq=1.0), product of:
              0.20478313 = queryWeight, product of:
                1.8399484 = boost
                6.698111 = idf(docFreq=144, maxDocs=43254)
                0.01661637 = queryNorm
              0.31397396 = fieldWeight in 3091, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.698111 = idf(docFreq=144, maxDocs=43254)
                0.046875 = fieldNorm(doc=3091)
        0.32 = coord(8/25)
    
  2. Kostoff, R.N.; Eberhart, H.J.; Toothman, D.R.: Database tomography for information retrieval (1997) 0.09
    0.08892175 = sum of:
      0.08892175 = product of:
        0.3705073 = sum of:
          0.015892016 = weight(abstract_txt:information in 2002) [ClassicSimilarity], result of:
            0.015892016 = score(doc=2002,freq=3.0), product of:
              0.040326603 = queryWeight, product of:
                2.42692 = idf(docFreq=10382, maxDocs=43254)
                0.01661637 = queryNorm
              0.39408267 = fieldWeight in 2002, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                2.42692 = idf(docFreq=10382, maxDocs=43254)
                0.09375 = fieldNorm(doc=2002)
          0.016104214 = weight(abstract_txt:which in 2002) [ClassicSimilarity], result of:
            0.016104214 = score(doc=2002,freq=1.0), product of:
              0.05867761 = queryWeight, product of:
                1.2062585 = boost
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.01661637 = queryNorm
              0.27445245 = fieldWeight in 2002, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.09375 = fieldNorm(doc=2002)
          0.03814207 = weight(abstract_txt:large in 2002) [ClassicSimilarity], result of:
            0.03814207 = score(doc=2002,freq=1.0), product of:
              0.09107905 = queryWeight, product of:
                1.2270657 = boost
                4.466985 = idf(docFreq=1349, maxDocs=43254)
                0.01661637 = queryNorm
              0.41877985 = fieldWeight in 2002, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.466985 = idf(docFreq=1349, maxDocs=43254)
                0.09375 = fieldNorm(doc=2002)
          0.030756839 = weight(abstract_txt:been in 2002) [ClassicSimilarity], result of:
            0.030756839 = score(doc=2002,freq=1.0), product of:
              0.090324834 = queryWeight, product of:
                1.4966071 = boost
                3.6321454 = idf(docFreq=3110, maxDocs=43254)
                0.01661637 = queryNorm
              0.34051365 = fieldWeight in 2002, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.6321454 = idf(docFreq=3110, maxDocs=43254)
                0.09375 = fieldNorm(doc=2002)
          0.04744256 = weight(abstract_txt:developed in 2002) [ClassicSimilarity], result of:
            0.04744256 = score(doc=2002,freq=1.0), product of:
              0.120584495 = queryWeight, product of:
                1.7292187 = boost
                4.1966753 = idf(docFreq=1768, maxDocs=43254)
                0.01661637 = queryNorm
              0.3934383 = fieldWeight in 2002, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1966753 = idf(docFreq=1768, maxDocs=43254)
                0.09375 = fieldNorm(doc=2002)
          0.22216961 = weight(abstract_txt:earth in 2002) [ClassicSimilarity], result of:
            0.22216961 = score(doc=2002,freq=1.0), product of:
              0.29485288 = queryWeight, product of:
                2.2078078 = boost
                8.037259 = idf(docFreq=37, maxDocs=43254)
                0.01661637 = queryNorm
              0.7534931 = fieldWeight in 2002, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.037259 = idf(docFreq=37, maxDocs=43254)
                0.09375 = fieldNorm(doc=2002)
        0.24 = coord(6/25)
    
  3. North, G.W.: Will your library be the spatial data information center of the future? (1989) 0.08
    0.08351644 = sum of:
      0.08351644 = product of:
        0.4175822 = sum of:
          0.010813147 = weight(abstract_txt:information in 2613) [ClassicSimilarity], result of:
            0.010813147 = score(doc=2613,freq=2.0), product of:
              0.040326603 = queryWeight, product of:
                2.42692 = idf(docFreq=10382, maxDocs=43254)
                0.01661637 = queryNorm
              0.2681393 = fieldWeight in 2613, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                2.42692 = idf(docFreq=10382, maxDocs=43254)
                0.078125 = fieldNorm(doc=2613)
          0.06915694 = weight(abstract_txt:lines in 2613) [ClassicSimilarity], result of:
            0.06915694 = score(doc=2613,freq=1.0), product of:
              0.12138089 = queryWeight, product of:
                1.0016563 = boost
                7.2928185 = idf(docFreq=79, maxDocs=43254)
                0.01661637 = queryNorm
              0.56975144 = fieldWeight in 2613, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.2928185 = idf(docFreq=79, maxDocs=43254)
                0.078125 = fieldNorm(doc=2613)
          0.03624728 = weight(abstract_txt:been in 2613) [ClassicSimilarity], result of:
            0.03624728 = score(doc=2613,freq=2.0), product of:
              0.090324834 = queryWeight, product of:
                1.4966071 = boost
                3.6321454 = idf(docFreq=3110, maxDocs=43254)
                0.01661637 = queryNorm
              0.40129915 = fieldWeight in 2613, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.6321454 = idf(docFreq=3110, maxDocs=43254)
                0.078125 = fieldNorm(doc=2613)
          0.039535467 = weight(abstract_txt:developed in 2613) [ClassicSimilarity], result of:
            0.039535467 = score(doc=2613,freq=1.0), product of:
              0.120584495 = queryWeight, product of:
                1.7292187 = boost
                4.1966753 = idf(docFreq=1768, maxDocs=43254)
                0.01661637 = queryNorm
              0.32786524 = fieldWeight in 2613, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.1966753 = idf(docFreq=1768, maxDocs=43254)
                0.078125 = fieldNorm(doc=2613)
          0.26182938 = weight(abstract_txt:earth in 2613) [ClassicSimilarity], result of:
            0.26182938 = score(doc=2613,freq=2.0), product of:
              0.29485288 = queryWeight, product of:
                2.2078078 = boost
                8.037259 = idf(docFreq=37, maxDocs=43254)
                0.01661637 = queryNorm
              0.8880001 = fieldWeight in 2613, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.037259 = idf(docFreq=37, maxDocs=43254)
                0.078125 = fieldNorm(doc=2613)
        0.2 = coord(5/25)
    
  4. Bruneau, A.-P.: Geometrical patterns underlying human intelligence : implications in information retrieval (1994) 0.08
    0.07919923 = sum of:
      0.07919923 = product of:
        0.6599936 = sum of:
          0.013420179 = weight(abstract_txt:which in 275) [ClassicSimilarity], result of:
            0.013420179 = score(doc=275,freq=1.0), product of:
              0.05867761 = queryWeight, product of:
                1.2062585 = boost
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.01661637 = queryNorm
              0.22871038 = fieldWeight in 275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.078125 = fieldNorm(doc=275)
          0.4643981 = weight(abstract_txt:geometrical in 275) [ClassicSimilarity], result of:
            0.4643981 = score(doc=275,freq=2.0), product of:
              0.43203613 = queryWeight, product of:
                2.6725054 = boost
                9.728935 = idf(docFreq=6, maxDocs=43254)
                0.01661637 = queryNorm
              1.0749056 = fieldWeight in 275, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                9.728935 = idf(docFreq=6, maxDocs=43254)
                0.078125 = fieldNorm(doc=275)
          0.18217534 = weight(abstract_txt:geographical in 275) [ClassicSimilarity], result of:
            0.18217534 = score(doc=275,freq=1.0), product of:
              0.33390784 = queryWeight, product of:
                2.8775144 = boost
                6.983497 = idf(docFreq=108, maxDocs=43254)
                0.01661637 = queryNorm
              0.5455857 = fieldWeight in 275, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.983497 = idf(docFreq=108, maxDocs=43254)
                0.078125 = fieldNorm(doc=275)
        0.12 = coord(3/25)
    
  5. Valauskas, E.J.: Britannica online : redefining encyclopedia for the next century (1995) 0.08
    0.07894352 = sum of:
      0.07894352 = product of:
        0.493397 = sum of:
          0.11684111 = weight(abstract_txt:browsers in 2855) [ClassicSimilarity], result of:
            0.11684111 = score(doc=2855,freq=1.0), product of:
              0.12586653 = queryWeight, product of:
                1.0199965 = boost
                7.4263496 = idf(docFreq=69, maxDocs=43254)
                0.01661637 = queryNorm
              0.9282937 = fieldWeight in 2855, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.4263496 = idf(docFreq=69, maxDocs=43254)
                0.125 = fieldNorm(doc=2855)
          0.1678214 = weight(abstract_txt:pointers in 2855) [ClassicSimilarity], result of:
            0.1678214 = score(doc=2855,freq=1.0), product of:
              0.16023032 = queryWeight, product of:
                1.1508425 = boost
                8.379008 = idf(docFreq=26, maxDocs=43254)
                0.01661637 = queryNorm
              1.047376 = fieldWeight in 2855, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.379008 = idf(docFreq=26, maxDocs=43254)
                0.125 = fieldNorm(doc=2855)
          0.021472286 = weight(abstract_txt:which in 2855) [ClassicSimilarity], result of:
            0.021472286 = score(doc=2855,freq=1.0), product of:
              0.05867761 = queryWeight, product of:
                1.2062585 = boost
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.01661637 = queryNorm
              0.3659366 = fieldWeight in 2855, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                2.9274929 = idf(docFreq=6293, maxDocs=43254)
                0.125 = fieldNorm(doc=2855)
          0.18726222 = weight(abstract_txt:server in 2855) [ClassicSimilarity], result of:
            0.18726222 = score(doc=2855,freq=1.0), product of:
              0.248611 = queryWeight, product of:
                2.4829292 = boost
                6.025871 = idf(docFreq=283, maxDocs=43254)
                0.01661637 = queryNorm
              0.75323385 = fieldWeight in 2855, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.025871 = idf(docFreq=283, maxDocs=43254)
                0.125 = fieldNorm(doc=2855)
        0.16 = coord(4/25)