Document (#7464)

Author

Richardson, J.

Title

Pointing the index finger

Source

Information management and technology. 27(1994) no.1, S.18-20

Year

1994

Abstract

Gives an overview of indexing in document imaging processing systems. Describes its importance, sources of indexing data, approaches to indexing and their advantages and disadvantages. Discusses: the file approach, free-text retrieval, keyword and mixed indexing methods

Similar documents (author)

1. Richardson, E.C.: Classification: theoretical and practical (1964) 5.50

   5.504072 = sum of:
     5.504072 = weight(author_txt:richardson in 2583) [ClassicSimilarity], result of:
       5.504072 = fieldWeight in 2583, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.806516 = idf(docFreq=17, maxDocs=44218)
         0.625 = fieldNorm(doc=2583)
   

2. Richardson, J.V.: Knowledge-based systems for general reference work : applications, problems, and progress (1995) 5.50

   5.504072 = sum of:
     5.504072 = weight(author_txt:richardson in 809) [ClassicSimilarity], result of:
       5.504072 = fieldWeight in 809, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.806516 = idf(docFreq=17, maxDocs=44218)
         0.625 = fieldNorm(doc=809)
   

3. Richardson, D.: Just the facts (1996) 5.50

   5.504072 = sum of:
     5.504072 = weight(author_txt:richardson in 6129) [ClassicSimilarity], result of:
       5.504072 = fieldWeight in 6129, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.806516 = idf(docFreq=17, maxDocs=44218)
         0.625 = fieldNorm(doc=6129)
   

4. Richardson, J.V.: Question master : an evaluation of a Web-based decision-support system for use in reference environments (1998) 5.50

   5.504072 = sum of:
     5.504072 = weight(author_txt:richardson in 1424) [ClassicSimilarity], result of:
       5.504072 = fieldWeight in 1424, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.806516 = idf(docFreq=17, maxDocs=44218)
         0.625 = fieldNorm(doc=1424)
   

5. Richardson, A.: Recent developments at SilverPlatter (1997) 5.50

   5.504072 = sum of:
     5.504072 = weight(author_txt:richardson in 1454) [ClassicSimilarity], result of:
       5.504072 = fieldWeight in 1454, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         8.806516 = idf(docFreq=17, maxDocs=44218)
         0.625 = fieldNorm(doc=1454)
   

Similar documents (content)

1. Pritchard, J.: Information retrieval : smarter indexing (1991) 0.35

   0.34783813 = sum of:
     0.34783813 = product of:
       0.966217 = sum of:
         0.028396279 = weight(abstract_txt:retrieval in 4890) [ClassicSimilarity], result of:
           0.028396279 = score(doc=4890,freq=1.0), product of:
             0.065370105 = queryWeight, product of:
               1.0185415 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.018468358 = queryNorm
             0.43439242 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.05350949 = weight(abstract_txt:describes in 4890) [ClassicSimilarity], result of:
           0.05350949 = score(doc=4890,freq=2.0), product of:
             0.07915568 = queryWeight, product of:
               1.1208053 = boost
               3.8240511 = idf(docFreq=2624, maxDocs=44218)
               0.018468358 = queryNorm
             0.6760031 = fieldWeight in 4890, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.8240511 = idf(docFreq=2624, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.04163656 = weight(abstract_txt:discusses in 4890) [ClassicSimilarity], result of:
           0.04163656 = score(doc=4890,freq=1.0), product of:
             0.08437002 = queryWeight, product of:
               1.1571326 = boost
               3.947996 = idf(docFreq=2318, maxDocs=44218)
               0.018468358 = queryNorm
             0.4934995 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.947996 = idf(docFreq=2318, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.04474404 = weight(abstract_txt:text in 4890) [ClassicSimilarity], result of:
           0.04474404 = score(doc=4890,freq=1.0), product of:
             0.088517345 = queryWeight, product of:
               1.1852318 = boost
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.018468358 = queryNorm
             0.5054833 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.053519066 = weight(abstract_txt:document in 4890) [ClassicSimilarity], result of:
           0.053519066 = score(doc=4890,freq=1.0), product of:
             0.09974182 = queryWeight, product of:
               1.2581364 = boost
               4.2926083 = idf(docFreq=1642, maxDocs=44218)
               0.018468358 = queryNorm
             0.53657603 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.2926083 = idf(docFreq=1642, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.08116595 = weight(abstract_txt:processing in 4890) [ClassicSimilarity], result of:
           0.08116595 = score(doc=4890,freq=1.0), product of:
             0.13166009 = queryWeight, product of:
               1.4454936 = boost
               4.931848 = idf(docFreq=866, maxDocs=44218)
               0.018468358 = queryNorm
             0.616481 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.931848 = idf(docFreq=866, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.14890033 = weight(abstract_txt:keyword in 4890) [ClassicSimilarity], result of:
           0.14890033 = score(doc=4890,freq=1.0), product of:
             0.19730376 = queryWeight, product of:
               1.7695253 = boost
               6.037405 = idf(docFreq=286, maxDocs=44218)
               0.018468358 = queryNorm
             0.7546756 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.037405 = idf(docFreq=286, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.29163054 = weight(abstract_txt:imaging in 4890) [ClassicSimilarity], result of:
           0.29163054 = score(doc=4890,freq=1.0), product of:
             0.308859 = queryWeight, product of:
               2.213957 = boost
               7.5537524 = idf(docFreq=62, maxDocs=44218)
               0.018468358 = queryNorm
             0.94421905 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.5537524 = idf(docFreq=62, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
         0.22271474 = weight(abstract_txt:indexing in 4890) [ClassicSimilarity], result of:
           0.22271474 = score(doc=4890,freq=1.0), product of:
             0.40962917 = queryWeight, product of:
               5.0993466 = boost
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.018468358 = queryNorm
             0.54369843 = fieldWeight in 4890, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.125 = fieldNorm(doc=4890)
       0.36 = coord(9/25)
   

2. Perez, E.: Zyindex: quick and not-to-dirty text databases (1992) 0.28

   0.27803057 = sum of:
     0.27803057 = product of:
       0.8688455 = sum of:
         0.028396279 = weight(abstract_txt:retrieval in 4258) [ClassicSimilarity], result of:
           0.028396279 = score(doc=4258,freq=1.0), product of:
             0.065370105 = queryWeight, product of:
               1.0185415 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.018468358 = queryNorm
             0.43439242 = fieldWeight in 4258, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
         0.03554793 = weight(abstract_txt:approach in 4258) [ClassicSimilarity], result of:
           0.03554793 = score(doc=4258,freq=1.0), product of:
             0.075930186 = queryWeight, product of:
               1.097732 = boost
               3.745328 = idf(docFreq=2839, maxDocs=44218)
               0.018468358 = queryNorm
             0.468166 = fieldWeight in 4258, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.745328 = idf(docFreq=2839, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
         0.04163656 = weight(abstract_txt:discusses in 4258) [ClassicSimilarity], result of:
           0.04163656 = score(doc=4258,freq=1.0), product of:
             0.08437002 = queryWeight, product of:
               1.1571326 = boost
               3.947996 = idf(docFreq=2318, maxDocs=44218)
               0.018468358 = queryNorm
             0.4934995 = fieldWeight in 4258, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.947996 = idf(docFreq=2318, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
         0.08948808 = weight(abstract_txt:text in 4258) [ClassicSimilarity], result of:
           0.08948808 = score(doc=4258,freq=4.0), product of:
             0.088517345 = queryWeight, product of:
               1.1852318 = boost
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.018468358 = queryNorm
             1.0109667 = fieldWeight in 4258, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
         0.072466545 = weight(abstract_txt:index in 4258) [ClassicSimilarity], result of:
           0.072466545 = score(doc=4258,freq=1.0), product of:
             0.12207591 = queryWeight, product of:
               1.3918873 = boost
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.018468358 = queryNorm
             0.59361875 = fieldWeight in 4258, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
         0.16614215 = weight(abstract_txt:file in 4258) [ClassicSimilarity], result of:
           0.16614215 = score(doc=4258,freq=2.0), product of:
             0.16846699 = queryWeight, product of:
               1.6351082 = boost
               5.57879 = idf(docFreq=453, maxDocs=44218)
               0.018468358 = queryNorm
             0.9862001 = fieldWeight in 4258, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.57879 = idf(docFreq=453, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
         0.12020179 = weight(abstract_txt:advantages in 4258) [ClassicSimilarity], result of:
           0.12020179 = score(doc=4258,freq=1.0), product of:
             0.17105885 = queryWeight, product of:
               1.6476382 = boost
               5.621541 = idf(docFreq=434, maxDocs=44218)
               0.018468358 = queryNorm
             0.7026926 = fieldWeight in 4258, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.621541 = idf(docFreq=434, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
         0.3149662 = weight(abstract_txt:indexing in 4258) [ClassicSimilarity], result of:
           0.3149662 = score(doc=4258,freq=2.0), product of:
             0.40962917 = queryWeight, product of:
               5.0993466 = boost
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.018468358 = queryNorm
             0.7689057 = fieldWeight in 4258, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.125 = fieldNorm(doc=4258)
       0.32 = coord(8/25)
   

3. Golub, K.: Automatic subject indexing of text (2019) 0.23

   0.23032062 = sum of:
     0.23032062 = product of:
       0.63977945 = sum of:
         0.02687357 = weight(abstract_txt:systems in 5268) [ClassicSimilarity], result of:
           0.02687357 = score(doc=5268,freq=4.0), product of:
             0.06301179 = queryWeight, product of:
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.018468358 = queryNorm
             0.4264848 = fieldWeight in 5268, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.017773965 = weight(abstract_txt:approach in 5268) [ClassicSimilarity], result of:
           0.017773965 = score(doc=5268,freq=1.0), product of:
             0.075930186 = queryWeight, product of:
               1.097732 = boost
               3.745328 = idf(docFreq=2839, maxDocs=44218)
               0.018468358 = queryNorm
             0.234083 = fieldWeight in 5268, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.745328 = idf(docFreq=2839, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.031638816 = weight(abstract_txt:text in 5268) [ClassicSimilarity], result of:
           0.031638816 = score(doc=5268,freq=2.0), product of:
             0.088517345 = queryWeight, product of:
               1.1852318 = boost
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.018468358 = queryNorm
             0.3574307 = fieldWeight in 5268, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.053519066 = weight(abstract_txt:document in 5268) [ClassicSimilarity], result of:
           0.053519066 = score(doc=5268,freq=4.0), product of:
             0.09974182 = queryWeight, product of:
               1.2581364 = boost
               4.2926083 = idf(docFreq=1642, maxDocs=44218)
               0.018468358 = queryNorm
             0.53657603 = fieldWeight in 5268, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               4.2926083 = idf(docFreq=1642, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.033112157 = weight(abstract_txt:approaches in 5268) [ClassicSimilarity], result of:
           0.033112157 = score(doc=5268,freq=1.0), product of:
             0.11496083 = queryWeight, product of:
               1.350716 = boost
               4.6084785 = idf(docFreq=1197, maxDocs=44218)
               0.018468358 = queryNorm
             0.2880299 = fieldWeight in 5268, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.6084785 = idf(docFreq=1197, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.036233272 = weight(abstract_txt:index in 5268) [ClassicSimilarity], result of:
           0.036233272 = score(doc=5268,freq=1.0), product of:
             0.12207591 = queryWeight, product of:
               1.3918873 = boost
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.018468358 = queryNorm
             0.29680938 = fieldWeight in 5268, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.060100894 = weight(abstract_txt:advantages in 5268) [ClassicSimilarity], result of:
           0.060100894 = score(doc=5268,freq=1.0), product of:
             0.17105885 = queryWeight, product of:
               1.6476382 = boost
               5.621541 = idf(docFreq=434, maxDocs=44218)
               0.018468358 = queryNorm
             0.3513463 = fieldWeight in 5268, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.621541 = idf(docFreq=434, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.10775896 = weight(abstract_txt:disadvantages in 5268) [ClassicSimilarity], result of:
           0.10775896 = score(doc=5268,freq=1.0), product of:
             0.25246072 = queryWeight, product of:
               2.00164 = boost
               6.829353 = idf(docFreq=129, maxDocs=44218)
               0.018468358 = queryNorm
             0.42683455 = fieldWeight in 5268, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.829353 = idf(docFreq=129, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
         0.27276874 = weight(abstract_txt:indexing in 5268) [ClassicSimilarity], result of:
           0.27276874 = score(doc=5268,freq=6.0), product of:
             0.40962917 = queryWeight, product of:
               5.0993466 = boost
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.018468358 = queryNorm
             0.6658919 = fieldWeight in 5268, product of:
               2.4494898 = tf(freq=6.0), with freq of:
                 6.0 = termFreq=6.0
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.0625 = fieldNorm(doc=5268)
       0.36 = coord(9/25)
   

4. Köhler, J.; Philippi, S.; Specht, M.; Rüegg, A.: Ontology based text indexing and querying for the semantic web (2006) 0.21

   0.20991118 = sum of:
     0.20991118 = product of:
       0.5830866 = sum of:
         0.0200792 = weight(abstract_txt:retrieval in 3280) [ClassicSimilarity], result of:
           0.0200792 = score(doc=3280,freq=2.0), product of:
             0.065370105 = queryWeight, product of:
               1.0185415 = boost
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.018468358 = queryNorm
             0.3071618 = fieldWeight in 3280, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.4751394 = idf(docFreq=3720, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.025136182 = weight(abstract_txt:approach in 3280) [ClassicSimilarity], result of:
           0.025136182 = score(doc=3280,freq=2.0), product of:
             0.075930186 = queryWeight, product of:
               1.097732 = boost
               3.745328 = idf(docFreq=2839, maxDocs=44218)
               0.018468358 = queryNorm
             0.33104333 = fieldWeight in 3280, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.745328 = idf(docFreq=2839, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.038749475 = weight(abstract_txt:text in 3280) [ClassicSimilarity], result of:
           0.038749475 = score(doc=3280,freq=3.0), product of:
             0.088517345 = queryWeight, product of:
               1.1852318 = boost
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.018468358 = queryNorm
             0.4377614 = fieldWeight in 3280, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               4.0438666 = idf(docFreq=2106, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.041782994 = weight(abstract_txt:methods in 3280) [ClassicSimilarity], result of:
           0.041782994 = score(doc=3280,freq=3.0), product of:
             0.093078814 = queryWeight, product of:
               1.2153867 = boost
               4.146752 = idf(docFreq=1900, maxDocs=44218)
               0.018468358 = queryNorm
             0.44889906 = fieldWeight in 3280, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               4.146752 = idf(docFreq=1900, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.036233272 = weight(abstract_txt:index in 3280) [ClassicSimilarity], result of:
           0.036233272 = score(doc=3280,freq=1.0), product of:
             0.12207591 = queryWeight, product of:
               1.3918873 = boost
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.018468358 = queryNorm
             0.29680938 = fieldWeight in 3280, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.74895 = idf(docFreq=1040, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.040582974 = weight(abstract_txt:processing in 3280) [ClassicSimilarity], result of:
           0.040582974 = score(doc=3280,freq=1.0), product of:
             0.13166009 = queryWeight, product of:
               1.4454936 = boost
               4.931848 = idf(docFreq=866, maxDocs=44218)
               0.018468358 = queryNorm
             0.3082405 = fieldWeight in 3280, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.931848 = idf(docFreq=866, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.059590336 = weight(abstract_txt:free in 3280) [ClassicSimilarity], result of:
           0.059590336 = score(doc=3280,freq=1.0), product of:
             0.1700887 = queryWeight, product of:
               1.6429594 = boost
               5.6055775 = idf(docFreq=441, maxDocs=44218)
               0.018468358 = queryNorm
             0.3503486 = fieldWeight in 3280, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.6055775 = idf(docFreq=441, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.1634491 = weight(abstract_txt:pointing in 3280) [ClassicSimilarity], result of:
           0.1634491 = score(doc=3280,freq=1.0), product of:
             0.33328307 = queryWeight, product of:
               2.29983 = boost
               7.84674 = idf(docFreq=46, maxDocs=44218)
               0.018468358 = queryNorm
             0.49042124 = fieldWeight in 3280, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.84674 = idf(docFreq=46, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
         0.1574831 = weight(abstract_txt:indexing in 3280) [ClassicSimilarity], result of:
           0.1574831 = score(doc=3280,freq=2.0), product of:
             0.40962917 = queryWeight, product of:
               5.0993466 = boost
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.018468358 = queryNorm
             0.38445285 = fieldWeight in 3280, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.0625 = fieldNorm(doc=3280)
       0.36 = coord(9/25)
   

5. Guenette, D.R.: Document imaging, CD-ROM, and CD-R : a starting point (1996) 0.20

   0.20344198 = sum of:
     0.20344198 = product of:
       0.8476749 = sum of:
         0.03490979 = weight(abstract_txt:systems in 4986) [ClassicSimilarity], result of:
           0.03490979 = score(doc=4986,freq=3.0), product of:
             0.06301179 = queryWeight, product of:
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.018468358 = queryNorm
             0.55402 = fieldWeight in 4986, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.09375 = fieldNorm(doc=4986)
         0.028377693 = weight(abstract_txt:describes in 4986) [ClassicSimilarity], result of:
           0.028377693 = score(doc=4986,freq=1.0), product of:
             0.07915568 = queryWeight, product of:
               1.1208053 = boost
               3.8240511 = idf(docFreq=2624, maxDocs=44218)
               0.018468358 = queryNorm
             0.3585048 = fieldWeight in 4986, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.8240511 = idf(docFreq=2624, maxDocs=44218)
               0.09375 = fieldNorm(doc=4986)
         0.08975421 = weight(abstract_txt:document in 4986) [ClassicSimilarity], result of:
           0.08975421 = score(doc=4986,freq=5.0), product of:
             0.09974182 = queryWeight, product of:
               1.2581364 = boost
               4.2926083 = idf(docFreq=1642, maxDocs=44218)
               0.018468358 = queryNorm
             0.8998654 = fieldWeight in 4986, product of:
               2.236068 = tf(freq=5.0), with freq of:
                 5.0 = termFreq=5.0
               4.2926083 = idf(docFreq=1642, maxDocs=44218)
               0.09375 = fieldNorm(doc=4986)
         0.09015135 = weight(abstract_txt:advantages in 4986) [ClassicSimilarity], result of:
           0.09015135 = score(doc=4986,freq=1.0), product of:
             0.17105885 = queryWeight, product of:
               1.6476382 = boost
               5.621541 = idf(docFreq=434, maxDocs=44218)
               0.018468358 = queryNorm
             0.5270195 = fieldWeight in 4986, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.621541 = idf(docFreq=434, maxDocs=44218)
               0.09375 = fieldNorm(doc=4986)
         0.43744582 = weight(abstract_txt:imaging in 4986) [ClassicSimilarity], result of:
           0.43744582 = score(doc=4986,freq=4.0), product of:
             0.308859 = queryWeight, product of:
               2.213957 = boost
               7.5537524 = idf(docFreq=62, maxDocs=44218)
               0.018468358 = queryNorm
             1.4163285 = fieldWeight in 4986, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               7.5537524 = idf(docFreq=62, maxDocs=44218)
               0.09375 = fieldNorm(doc=4986)
         0.16703606 = weight(abstract_txt:indexing in 4986) [ClassicSimilarity], result of:
           0.16703606 = score(doc=4986,freq=1.0), product of:
             0.40962917 = queryWeight, product of:
               5.0993466 = boost
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.018468358 = queryNorm
             0.40777382 = fieldWeight in 4986, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.3495874 = idf(docFreq=1551, maxDocs=44218)
               0.09375 = fieldNorm(doc=4986)
       0.24 = coord(6/25)