Document (#16349)

Author

Cheung, W.
Hsu, C.

Title

¬The model-assisted global query system for multiple databases in distributed enterprises

Source

ACM transactions on information systems. 14(1996) no.4, S.421-470

Year

1996

Abstract

Today's enterprises employ multiple information systems which are independently developed, locally administered, and are different in logical or physical design. To share information across organisational boundaries requires a global query system capable of providing online intelligent assistance to users. Conventional technologies such as schema based query languages and hard coded schema integration are insufficient. Develops a model assisted global query system using an online repository of enterprise metadata, the metadatabase, for global query formulation and processing with adaptiveness and open systems architecture. Presents a definition model for the metadata as a knowledge system. Analyzes the improvements of the new system in relation to the old. Tests a prototype system in a computer integrated manufacturing setting

Theme

Metadaten

Similar documents (author)

1. Cheung, C.M.K.; Lee, M.K.O.: Understanding consumer trust in Internet shopping : a multidisciplinary approach (2006) 4.61

   4.6059904 = sum of:
     4.6059904 = weight(author_txt:cheung in 5280) [ClassicSimilarity], result of:
       4.6059904 = fieldWeight in 5280, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.211981 = idf(docFreq=11, maxDocs=44218)
         0.5 = fieldNorm(doc=5280)
   

2. Cheung, C.M.K.; Lee, M.K.O.: ¬The structure of Web-based information systems satisfaction : testing of competing models (2008) 4.61

   4.6059904 = sum of:
     4.6059904 = weight(author_txt:cheung in 2005) [ClassicSimilarity], result of:
       4.6059904 = fieldWeight in 2005, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.211981 = idf(docFreq=11, maxDocs=44218)
         0.5 = fieldNorm(doc=2005)
   

3. Cheung, C.M.K.; Lee, M.K.O.: User satisfaction with an internet-based portal : an asymmetric and nonlinear approach (2009) 4.61

   4.6059904 = sum of:
     4.6059904 = weight(author_txt:cheung in 2701) [ClassicSimilarity], result of:
       4.6059904 = fieldWeight in 2701, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.211981 = idf(docFreq=11, maxDocs=44218)
         0.5 = fieldNorm(doc=2701)
   

4. Cheung, D.W.; Kao, B.; Lee, J.: Discovering user access patterns on the World Wide Web (1998) 3.45

   3.4544928 = sum of:
     3.4544928 = weight(author_txt:cheung in 332) [ClassicSimilarity], result of:
       3.4544928 = fieldWeight in 332, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.211981 = idf(docFreq=11, maxDocs=44218)
         0.375 = fieldNorm(doc=332)
   

5. Lee, M.K.O.; Cheung, C.M.K.; Chen, Z.: Understanding user acceptance of multimedia messaging services : an empirical study (2007) 3.45

   3.4544928 = sum of:
     3.4544928 = weight(author_txt:cheung in 622) [ClassicSimilarity], result of:
       3.4544928 = fieldWeight in 622, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.211981 = idf(docFreq=11, maxDocs=44218)
         0.375 = fieldNorm(doc=622)
   

Similar documents (content)

1. Bordogna, G.; Pagani, M.: ¬A flexible content-based image retrieval model and a customizable system for the retrieval of shapes (2010) 0.13

   0.12656182 = sum of:
     0.12656182 = product of:
       0.52734095 = sum of:
         0.054006428 = weight(abstract_txt:formulation in 3450) [ClassicSimilarity], result of:
           0.054006428 = score(doc=3450,freq=1.0), product of:
             0.1301234 = queryWeight, product of:
               1.0019099 = boost
               6.640641 = idf(docFreq=156, maxDocs=44218)
               0.019557655 = queryNorm
             0.41504008 = fieldWeight in 3450, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.640641 = idf(docFreq=156, maxDocs=44218)
               0.0625 = fieldNorm(doc=3450)
         0.07072257 = weight(abstract_txt:multiple in 3450) [ClassicSimilarity], result of:
           0.07072257 = score(doc=3450,freq=2.0), product of:
             0.15575087 = queryWeight, product of:
               1.5501765 = boost
               5.137272 = idf(docFreq=705, maxDocs=44218)
               0.019557655 = queryNorm
             0.45407498 = fieldWeight in 3450, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               5.137272 = idf(docFreq=705, maxDocs=44218)
               0.0625 = fieldNorm(doc=3450)
         0.049560994 = weight(abstract_txt:model in 3450) [ClassicSimilarity], result of:
           0.049560994 = score(doc=3450,freq=2.0), product of:
             0.14066376 = queryWeight, product of:
               1.8042747 = boost
               3.986234 = idf(docFreq=2231, maxDocs=44218)
               0.019557655 = queryNorm
             0.35233662 = fieldWeight in 3450, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.986234 = idf(docFreq=2231, maxDocs=44218)
               0.0625 = fieldNorm(doc=3450)
         0.08487476 = weight(abstract_txt:system in 3450) [ClassicSimilarity], result of:
           0.08487476 = score(doc=3450,freq=4.0), product of:
             0.20134518 = queryWeight, product of:
               3.0527916 = boost
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.019557655 = queryNorm
             0.42153856 = fieldWeight in 3450, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.0625 = fieldNorm(doc=3450)
         0.12808417 = weight(abstract_txt:global in 3450) [ClassicSimilarity], result of:
           0.12808417 = score(doc=3450,freq=1.0), product of:
             0.36734608 = queryWeight, product of:
               3.36681 = boost
               5.57879 = idf(docFreq=453, maxDocs=44218)
               0.019557655 = queryNorm
             0.3486744 = fieldWeight in 3450, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.57879 = idf(docFreq=453, maxDocs=44218)
               0.0625 = fieldNorm(doc=3450)
         0.14009203 = weight(abstract_txt:query in 3450) [ClassicSimilarity], result of:
           0.14009203 = score(doc=3450,freq=2.0), product of:
             0.33341163 = queryWeight, product of:
               3.5861323 = boost
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.019557655 = queryNorm
             0.4201774 = fieldWeight in 3450, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.0625 = fieldNorm(doc=3450)
       0.24 = coord(6/25)
   

2. Smith, C.L.: Domain-independent search expertise : gaining knowledge in query formulation through guided practice (2017) 0.12

   0.116886236 = sum of:
     0.116886236 = product of:
       0.5844312 = sum of:
         0.067508034 = weight(abstract_txt:formulation in 3643) [ClassicSimilarity], result of:
           0.067508034 = score(doc=3643,freq=1.0), product of:
             0.1301234 = queryWeight, product of:
               1.0019099 = boost
               6.640641 = idf(docFreq=156, maxDocs=44218)
               0.019557655 = queryNorm
             0.5188001 = fieldWeight in 3643, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.640641 = idf(docFreq=156, maxDocs=44218)
               0.078125 = fieldNorm(doc=3643)
         0.036624018 = weight(abstract_txt:systems in 3643) [ClassicSimilarity], result of:
           0.036624018 = score(doc=3643,freq=4.0), product of:
             0.06869932 = queryWeight, product of:
               1.0295374 = boost
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.019557655 = queryNorm
             0.53310597 = fieldWeight in 3643, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.078125 = fieldNorm(doc=3643)
         0.10197159 = weight(abstract_txt:coded in 3643) [ClassicSimilarity], result of:
           0.10197159 = score(doc=3643,freq=1.0), product of:
             0.17130548 = queryWeight, product of:
               1.149573 = boost
               7.61935 = idf(docFreq=58, maxDocs=44218)
               0.019557655 = queryNorm
             0.5952617 = fieldWeight in 3643, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.61935 = idf(docFreq=58, maxDocs=44218)
               0.078125 = fieldNorm(doc=3643)
         0.0750194 = weight(abstract_txt:system in 3643) [ClassicSimilarity], result of:
           0.0750194 = score(doc=3643,freq=2.0), product of:
             0.20134518 = queryWeight, product of:
               3.0527916 = boost
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.019557655 = queryNorm
             0.372591 = fieldWeight in 3643, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.078125 = fieldNorm(doc=3643)
         0.30330816 = weight(abstract_txt:query in 3643) [ClassicSimilarity], result of:
           0.30330816 = score(doc=3643,freq=6.0), product of:
             0.33341163 = queryWeight, product of:
               3.5861323 = boost
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.019557655 = queryNorm
             0.9097108 = fieldWeight in 3643, product of:
               2.4494898 = tf(freq=6.0), with freq of:
                 6.0 = termFreq=6.0
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.078125 = fieldNorm(doc=3643)
       0.2 = coord(5/25)
   

3. Zhu, J.; Song, D.; Rüger, S.: Integrating multiple windows and document features for expert finding (2009) 0.11

   0.10919035 = sum of:
     0.10919035 = product of:
       0.4549598 = sum of:
         0.014649608 = weight(abstract_txt:systems in 2755) [ClassicSimilarity], result of:
           0.014649608 = score(doc=2755,freq=1.0), product of:
             0.06869932 = queryWeight, product of:
               1.0295374 = boost
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.019557655 = queryNorm
             0.2132424 = fieldWeight in 2755, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4118783 = idf(docFreq=3963, maxDocs=44218)
               0.0625 = fieldNorm(doc=2755)
         0.06469103 = weight(abstract_txt:enterprise in 2755) [ClassicSimilarity], result of:
           0.06469103 = score(doc=2755,freq=1.0), product of:
             0.14676455 = queryWeight, product of:
               1.0640486 = boost
               7.0524964 = idf(docFreq=103, maxDocs=44218)
               0.019557655 = queryNorm
             0.44078103 = fieldWeight in 2755, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.0524964 = idf(docFreq=103, maxDocs=44218)
               0.0625 = fieldNorm(doc=2755)
         0.10001682 = weight(abstract_txt:multiple in 2755) [ClassicSimilarity], result of:
           0.10001682 = score(doc=2755,freq=4.0), product of:
             0.15575087 = queryWeight, product of:
               1.5501765 = boost
               5.137272 = idf(docFreq=705, maxDocs=44218)
               0.019557655 = queryNorm
             0.642159 = fieldWeight in 2755, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               5.137272 = idf(docFreq=705, maxDocs=44218)
               0.0625 = fieldNorm(doc=2755)
         0.035044916 = weight(abstract_txt:model in 2755) [ClassicSimilarity], result of:
           0.035044916 = score(doc=2755,freq=1.0), product of:
             0.14066376 = queryWeight, product of:
               1.8042747 = boost
               3.986234 = idf(docFreq=2231, maxDocs=44218)
               0.019557655 = queryNorm
             0.24913962 = fieldWeight in 2755, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.986234 = idf(docFreq=2231, maxDocs=44218)
               0.0625 = fieldNorm(doc=2755)
         0.04243738 = weight(abstract_txt:system in 2755) [ClassicSimilarity], result of:
           0.04243738 = score(doc=2755,freq=1.0), product of:
             0.20134518 = queryWeight, product of:
               3.0527916 = boost
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.019557655 = queryNorm
             0.21076928 = fieldWeight in 2755, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.0625 = fieldNorm(doc=2755)
         0.19812006 = weight(abstract_txt:query in 2755) [ClassicSimilarity], result of:
           0.19812006 = score(doc=2755,freq=4.0), product of:
             0.33341163 = queryWeight, product of:
               3.5861323 = boost
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.019557655 = queryNorm
             0.5942206 = fieldWeight in 2755, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.0625 = fieldNorm(doc=2755)
       0.24 = coord(6/25)
   

4. Hammer, D.K.: Lean information management (1997) 0.10

   0.0998402 = sum of:
     0.0998402 = product of:
       0.62400126 = sum of:
         0.09397182 = weight(abstract_txt:develops in 3613) [ClassicSimilarity], result of:
           0.09397182 = score(doc=3613,freq=1.0), product of:
             0.12962781 = queryWeight, product of:
               6.627983 = idf(docFreq=158, maxDocs=44218)
               0.019557655 = queryNorm
             0.72493565 = fieldWeight in 3613, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.627983 = idf(docFreq=158, maxDocs=44218)
               0.109375 = fieldNorm(doc=3613)
         0.09424043 = weight(abstract_txt:today's in 3613) [ClassicSimilarity], result of:
           0.09424043 = score(doc=3613,freq=1.0), product of:
             0.1298747 = queryWeight, product of:
               1.0009519 = boost
               6.634292 = idf(docFreq=157, maxDocs=44218)
               0.019557655 = queryNorm
             0.7256257 = fieldWeight in 3613, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.634292 = idf(docFreq=157, maxDocs=44218)
               0.109375 = fieldNorm(doc=3613)
         0.11320929 = weight(abstract_txt:enterprise in 3613) [ClassicSimilarity], result of:
           0.11320929 = score(doc=3613,freq=1.0), product of:
             0.14676455 = queryWeight, product of:
               1.0640486 = boost
               7.0524964 = idf(docFreq=103, maxDocs=44218)
               0.019557655 = queryNorm
             0.7713668 = fieldWeight in 3613, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.0524964 = idf(docFreq=103, maxDocs=44218)
               0.109375 = fieldNorm(doc=3613)
         0.3225797 = weight(abstract_txt:enterprises in 3613) [ClassicSimilarity], result of:
           0.3225797 = score(doc=3613,freq=1.0), product of:
             0.37165028 = queryWeight, product of:
               2.3946009 = boost
               7.935687 = idf(docFreq=42, maxDocs=44218)
               0.019557655 = queryNorm
             0.86796576 = fieldWeight in 3613, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.935687 = idf(docFreq=42, maxDocs=44218)
               0.109375 = fieldNorm(doc=3613)
       0.16 = coord(4/25)
   

5. Symonds, M.; Bruza, P.; Zuccon, G.; Koopman, B.; Sitbon, L.; Turner, I.: Automatic query expansion : a structural linguistic perspective (2014) 0.10

   0.09937661 = sum of:
     0.09937661 = product of:
       0.49688303 = sum of:
         0.053698182 = weight(abstract_txt:develops in 1338) [ClassicSimilarity], result of:
           0.053698182 = score(doc=1338,freq=1.0), product of:
             0.12962781 = queryWeight, product of:
               6.627983 = idf(docFreq=158, maxDocs=44218)
               0.019557655 = queryNorm
             0.41424894 = fieldWeight in 1338, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.627983 = idf(docFreq=158, maxDocs=44218)
               0.0625 = fieldNorm(doc=1338)
         0.054006428 = weight(abstract_txt:formulation in 1338) [ClassicSimilarity], result of:
           0.054006428 = score(doc=1338,freq=1.0), product of:
             0.1301234 = queryWeight, product of:
               1.0019099 = boost
               6.640641 = idf(docFreq=156, maxDocs=44218)
               0.019557655 = queryNorm
             0.41504008 = fieldWeight in 1338, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.640641 = idf(docFreq=156, maxDocs=44218)
               0.0625 = fieldNorm(doc=1338)
         0.049560994 = weight(abstract_txt:model in 1338) [ClassicSimilarity], result of:
           0.049560994 = score(doc=1338,freq=2.0), product of:
             0.14066376 = queryWeight, product of:
               1.8042747 = boost
               3.986234 = idf(docFreq=2231, maxDocs=44218)
               0.019557655 = queryNorm
             0.35233662 = fieldWeight in 1338, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.986234 = idf(docFreq=2231, maxDocs=44218)
               0.0625 = fieldNorm(doc=1338)
         0.04243738 = weight(abstract_txt:system in 1338) [ClassicSimilarity], result of:
           0.04243738 = score(doc=1338,freq=1.0), product of:
             0.20134518 = queryWeight, product of:
               3.0527916 = boost
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.019557655 = queryNorm
             0.21076928 = fieldWeight in 1338, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.3723085 = idf(docFreq=4123, maxDocs=44218)
               0.0625 = fieldNorm(doc=1338)
         0.29718006 = weight(abstract_txt:query in 1338) [ClassicSimilarity], result of:
           0.29718006 = score(doc=1338,freq=9.0), product of:
             0.33341163 = queryWeight, product of:
               3.5861323 = boost
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.019557655 = queryNorm
             0.89133084 = fieldWeight in 1338, product of:
               3.0 = tf(freq=9.0), with freq of:
                 9.0 = termFreq=9.0
               4.7537646 = idf(docFreq=1035, maxDocs=44218)
               0.0625 = fieldNorm(doc=1338)
       0.2 = coord(5/25)