Document (#33262)

Author
Arms, W.Y.
Blanchi, C.
Overly, E.A.
Title
¬An architecture for information in digital libraries
Source
D-Lib magazine. 3(1997) no.2, xx S
Year
1997
Abstract
Flexible organization of information is one of the key design challenges in any digital library. For the past year, we have been working with members of the National Digital Library Project (NDLP) at the Library of Congress to build an experimental system to organize and store library collections. This is a report on the work. In particular, we describe how a few technical building blocks are used to organize the material in collections, such as the NDLP's, and how these methods fit into a general distributed computing framework. The technical building blocks are part of a framework that evolved as part of the Computer Science Technical Reports Project (CSTR). This framework is described in the paper, "A Framework for Distributed Digital Object Services", by Robert Kahn and Robert Wilensky (1995). The main building blocks are: "digital objects", which are used to manage digital material in a networked environment; "handles", which identify digital objects and other network resources; and "repositories", in which digital objects are stored. These concepts are amplified in "Key Concepts in the Architecture of the Digital Library", by William Y. Arms (1995). In summer 1995, after earlier experimental development, work began on the implementation of a full digital library system based on this framework. In addition to Kahn/Wilensky and Arms, several working papers further elaborate on the design concepts. A paper by Carl Lagoze and David Ely, "Implementation Issues in an Open Architectural Framework for Digital Object Services", delves into some of the repository concepts. The initial repository implementation was based on a paper by Carl Lagoze, Robert McGrath, Ed Overly and Nancy Yeager, "A Design for Inter-Operable Secure Object Stores (ISOS)". Work on the handle system, which began in 1992, is described in a series of papers that can be found on the Handle Home Page. The National Digital Library Program (NDLP) at the Library of Congress is a large scale project to convert historic collections to digital form and make them widely available over the Internet. The program is described in two articles by Caroline R. Arms, "Historical Collections for the National Digital Library". The NDLP itself draws on experience gained through the earlier American Memory Program. Based on this work, we have built a pilot system that demonstrates how digital objects can be used to organize complex materials, such as those found in the NDLP. The pilot was demonstrated to members of the library in July 1996. The pilot system includes the handle system for identifying digital objects, a pilot repository to store them, and two user interfaces: one designed for librarians to manage digital objects in the repository, the other for library patrons to access the materials stored in the repository. Materials from the NDLP's Coolidge Consumerism compilation have been deposited into the pilot repository. They include a variety of photographs and texts, converted to digital form. The pilot demonstrates the use of handles for identifying such material, the use of meta-objects for managing sets of digital objects, and the choice of metadata. We are now implementing an enhanced prototype system for completion in early 1997.
Footnote
Vgl.: http://dlib.ukoln.ac.uk/dlib/february97/cnri/02arms1.html.
Theme
Information Gateway

Similar documents (author)

  1. Arms, C.R.: Using the national networks : BITNET and the Internet (1990) 6.07
    6.071004 = sum of:
      6.071004 = weight(author_txt:arms in 3671) [ClassicSimilarity], result of:
        6.071004 = fieldWeight in 3671, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.713606 = idf(docFreq=6, maxDocs=42596)
          0.625 = fieldNorm(doc=3671)
    
  2. Arms, C.R.: ¬A new information infrastructure (1990) 6.07
    6.071004 = sum of:
      6.071004 = weight(author_txt:arms in 3673) [ClassicSimilarity], result of:
        6.071004 = fieldWeight in 3673, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.713606 = idf(docFreq=6, maxDocs=42596)
          0.625 = fieldNorm(doc=3673)
    
  3. Arms, C.R.: Available and useful : OAI at the Library of Congress (2003) 6.07
    6.071004 = sum of:
      6.071004 = weight(author_txt:arms in 5774) [ClassicSimilarity], result of:
        6.071004 = fieldWeight in 5774, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.713606 = idf(docFreq=6, maxDocs=42596)
          0.625 = fieldNorm(doc=5774)
    
  4. Arms, C.R.: Getting the picture : observations from the Library of Congress on providing online access to pictorial images (1999) 6.07
    6.071004 = sum of:
      6.071004 = weight(author_txt:arms in 1148) [ClassicSimilarity], result of:
        6.071004 = fieldWeight in 1148, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.713606 = idf(docFreq=6, maxDocs=42596)
          0.625 = fieldNorm(doc=1148)
    
  5. Arms, W.Y.; Dushay, N.; Fulker, D.; Lagoze, C.: ¬A case study in metadata harvesting : the NSDL (2003) 3.04
    3.035502 = sum of:
      3.035502 = weight(author_txt:arms in 5781) [ClassicSimilarity], result of:
        3.035502 = fieldWeight in 5781, product of:
          1.0 = tf(freq=1.0), with freq of:
            1.0 = termFreq=1.0
          9.713606 = idf(docFreq=6, maxDocs=42596)
          0.3125 = fieldNorm(doc=5781)
    

Similar documents (content)

  1. Payette, S.; Blanchi, C.; Lagoze, C.; Overly, E.A.: Interoperability for digital objects and repositories : the Cornell/CNRI experiments (1999) 0.36
    0.36093232 = sum of:
      0.36093232 = product of:
        0.90233076 = sum of:
          0.030058421 = weight(abstract_txt:described in 2428) [ClassicSimilarity], result of:
            0.030058421 = score(doc=2428,freq=2.0), product of:
              0.091507636 = queryWeight, product of:
                4.9551015 = idf(docFreq=815, maxDocs=42596)
                0.01846736 = queryNorm
              0.32847992 = fieldWeight in 2428, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.9551015 = idf(docFreq=815, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.029241793 = weight(abstract_txt:work in 2428) [ClassicSimilarity], result of:
            0.029241793 = score(doc=2428,freq=5.0), product of:
              0.07285882 = queryWeight, product of:
                1.0303428 = boost
                3.82909 = idf(docFreq=2515, maxDocs=42596)
                0.01846736 = queryNorm
              0.4013487 = fieldWeight in 2428, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                3.82909 = idf(docFreq=2515, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.0448707 = weight(abstract_txt:object in 2428) [ClassicSimilarity], result of:
            0.0448707 = score(doc=2428,freq=2.0), product of:
              0.119524 = queryWeight, product of:
                1.1428754 = boost
                5.6630635 = idf(docFreq=401, maxDocs=42596)
                0.01846736 = queryNorm
              0.37541163 = fieldWeight in 2428, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.6630635 = idf(docFreq=401, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.054737248 = weight(abstract_txt:handle in 2428) [ClassicSimilarity], result of:
            0.054737248 = score(doc=2428,freq=1.0), product of:
              0.17192744 = queryWeight, product of:
                1.3707048 = boost
                6.791981 = idf(docFreq=129, maxDocs=42596)
                0.01846736 = queryNorm
              0.31837413 = fieldWeight in 2428, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.791981 = idf(docFreq=129, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.015500379 = weight(abstract_txt:system in 2428) [ClassicSimilarity], result of:
            0.015500379 = score(doc=2428,freq=1.0), product of:
              0.098335505 = queryWeight, product of:
                1.5834883 = boost
                3.3627198 = idf(docFreq=4010, maxDocs=42596)
                0.01846736 = queryNorm
              0.1576275 = fieldWeight in 2428, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.3627198 = idf(docFreq=4010, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.04877736 = weight(abstract_txt:framework in 2428) [ClassicSimilarity], result of:
            0.04877736 = score(doc=2428,freq=2.0), product of:
              0.15920942 = queryWeight, product of:
                1.8653945 = boost
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.01846736 = queryNorm
              0.30637234 = fieldWeight in 2428, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.04128792 = weight(abstract_txt:library in 2428) [ClassicSimilarity], result of:
            0.04128792 = score(doc=2428,freq=4.0), product of:
              0.13839139 = queryWeight, product of:
                2.354841 = boost
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.01846736 = queryNorm
              0.2983417 = fieldWeight in 2428, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.14186075 = weight(abstract_txt:repository in 2428) [ClassicSimilarity], result of:
            0.14186075 = score(doc=2428,freq=2.0), product of:
              0.32438797 = queryWeight, product of:
                2.6626782 = boost
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.01846736 = queryNorm
              0.43731818 = fieldWeight in 2428, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.17236204 = weight(abstract_txt:objects in 2428) [ClassicSimilarity], result of:
            0.17236204 = score(doc=2428,freq=5.0), product of:
              0.29953706 = queryWeight, product of:
                2.9544795 = boost
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.01846736 = queryNorm
              0.5754281 = fieldWeight in 2428, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
          0.32363412 = weight(abstract_txt:digital in 2428) [ClassicSimilarity], result of:
            0.32363412 = score(doc=2428,freq=12.0), product of:
              0.4543004 = queryWeight, product of:
                5.607368 = boost
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.01846736 = queryNorm
              0.7123791 = fieldWeight in 2428, product of:
                3.4641016 = tf(freq=12.0), with freq of:
                  12.0 = termFreq=12.0
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.046875 = fieldNorm(doc=2428)
        0.4 = coord(10/25)
    
  2. Hardesty, J.L.; Young, J.B.: ¬The semantics of metadata : Avalon Media System and the move to RDF (2017) 0.22
    0.22297287 = sum of:
      0.22297287 = product of:
        0.6967902 = sum of:
          0.02932382 = weight(abstract_txt:technical in 4897) [ClassicSimilarity], result of:
            0.02932382 = score(doc=4897,freq=1.0), product of:
              0.09361478 = queryWeight, product of:
                1.0114479 = boost
                5.0118275 = idf(docFreq=770, maxDocs=42596)
                0.01846736 = queryNorm
              0.31323922 = fieldWeight in 4897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.0118275 = idf(docFreq=770, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
          0.032228034 = weight(abstract_txt:collections in 4897) [ClassicSimilarity], result of:
            0.032228034 = score(doc=4897,freq=1.0), product of:
              0.10973189 = queryWeight, product of:
                1.2644659 = boost
                4.6991677 = idf(docFreq=1053, maxDocs=42596)
                0.01846736 = queryNorm
              0.29369798 = fieldWeight in 4897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6991677 = idf(docFreq=1053, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
          0.020667171 = weight(abstract_txt:system in 4897) [ClassicSimilarity], result of:
            0.020667171 = score(doc=4897,freq=1.0), product of:
              0.098335505 = queryWeight, product of:
                1.5834883 = boost
                3.3627198 = idf(docFreq=4010, maxDocs=42596)
                0.01846736 = queryNorm
              0.21016999 = fieldWeight in 4897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.3627198 = idf(docFreq=4010, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
          0.045987736 = weight(abstract_txt:framework in 4897) [ClassicSimilarity], result of:
            0.045987736 = score(doc=4897,freq=1.0), product of:
              0.15920942 = queryWeight, product of:
                1.8653945 = boost
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.01846736 = queryNorm
              0.2888506 = fieldWeight in 4897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
          0.027525282 = weight(abstract_txt:library in 4897) [ClassicSimilarity], result of:
            0.027525282 = score(doc=4897,freq=1.0), product of:
              0.13839139 = queryWeight, product of:
                2.354841 = boost
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.01846736 = queryNorm
              0.19889447 = fieldWeight in 4897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
          0.18914767 = weight(abstract_txt:repository in 4897) [ClassicSimilarity], result of:
            0.18914767 = score(doc=4897,freq=2.0), product of:
              0.32438797 = queryWeight, product of:
                2.6626782 = boost
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.01846736 = queryNorm
              0.5830909 = fieldWeight in 4897, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
          0.10277688 = weight(abstract_txt:objects in 4897) [ClassicSimilarity], result of:
            0.10277688 = score(doc=4897,freq=1.0), product of:
              0.29953706 = queryWeight, product of:
                2.9544795 = boost
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.01846736 = queryNorm
              0.34311906 = fieldWeight in 4897, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
          0.24913365 = weight(abstract_txt:digital in 4897) [ClassicSimilarity], result of:
            0.24913365 = score(doc=4897,freq=4.0), product of:
              0.4543004 = queryWeight, product of:
                5.607368 = boost
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.01846736 = queryNorm
              0.5483897 = fieldWeight in 4897, product of:
                2.0 = tf(freq=4.0), with freq of:
                  4.0 = termFreq=4.0
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.0625 = fieldNorm(doc=4897)
        0.32 = coord(8/25)
    
  3. Banwell, L.: Developing and evaluation framework for a supranational digital library (2003) 0.22
    0.2178508 = sum of:
      0.2178508 = product of:
        0.544627 = sum of:
          0.021254513 = weight(abstract_txt:described in 3770) [ClassicSimilarity], result of:
            0.021254513 = score(doc=3770,freq=1.0), product of:
              0.091507636 = queryWeight, product of:
                4.9551015 = idf(docFreq=815, maxDocs=42596)
                0.01846736 = queryNorm
              0.23227039 = fieldWeight in 3770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.9551015 = idf(docFreq=815, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.038092755 = weight(abstract_txt:technical in 3770) [ClassicSimilarity], result of:
            0.038092755 = score(doc=3770,freq=3.0), product of:
              0.09361478 = queryWeight, product of:
                1.0114479 = boost
                5.0118275 = idf(docFreq=770, maxDocs=42596)
                0.01846736 = queryNorm
              0.40690964 = fieldWeight in 3770, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.0118275 = idf(docFreq=770, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.022650592 = weight(abstract_txt:work in 3770) [ClassicSimilarity], result of:
            0.022650592 = score(doc=3770,freq=3.0), product of:
              0.07285882 = queryWeight, product of:
                1.0303428 = boost
                3.82909 = idf(docFreq=2515, maxDocs=42596)
                0.01846736 = queryNorm
              0.31088334 = fieldWeight in 3770, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.82909 = idf(docFreq=2515, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.03997042 = weight(abstract_txt:building in 3770) [ClassicSimilarity], result of:
            0.03997042 = score(doc=3770,freq=2.0), product of:
              0.11065534 = queryWeight, product of:
                1.0996577 = boost
                5.4489155 = idf(docFreq=497, maxDocs=42596)
                0.01846736 = queryNorm
              0.36121547 = fieldWeight in 3770, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.4489155 = idf(docFreq=497, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.0323279 = weight(abstract_txt:program in 3770) [ClassicSimilarity], result of:
            0.0323279 = score(doc=3770,freq=1.0), product of:
              0.121024944 = queryWeight, product of:
                1.150029 = boost
                5.69851 = idf(docFreq=387, maxDocs=42596)
                0.01846736 = queryNorm
              0.26711768 = fieldWeight in 3770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.69851 = idf(docFreq=387, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.03418299 = weight(abstract_txt:collections in 3770) [ClassicSimilarity], result of:
            0.03418299 = score(doc=3770,freq=2.0), product of:
              0.10973189 = queryWeight, product of:
                1.2644659 = boost
                4.6991677 = idf(docFreq=1053, maxDocs=42596)
                0.01846736 = queryNorm
              0.31151375 = fieldWeight in 3770, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.6991677 = idf(docFreq=1053, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.015500379 = weight(abstract_txt:system in 3770) [ClassicSimilarity], result of:
            0.015500379 = score(doc=3770,freq=1.0), product of:
              0.098335505 = queryWeight, product of:
                1.5834883 = boost
                3.3627198 = idf(docFreq=4010, maxDocs=42596)
                0.01846736 = queryNorm
              0.1576275 = fieldWeight in 3770, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.3627198 = idf(docFreq=4010, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.077123776 = weight(abstract_txt:framework in 3770) [ClassicSimilarity], result of:
            0.077123776 = score(doc=3770,freq=5.0), product of:
              0.15920942 = queryWeight, product of:
                1.8653945 = boost
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.01846736 = queryNorm
              0.4844172 = fieldWeight in 3770, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.054618783 = weight(abstract_txt:library in 3770) [ClassicSimilarity], result of:
            0.054618783 = score(doc=3770,freq=7.0), product of:
              0.13839139 = queryWeight, product of:
                2.354841 = boost
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.01846736 = queryNorm
              0.39466894 = fieldWeight in 3770, product of:
                2.6457512 = tf(freq=7.0), with freq of:
                  7.0 = termFreq=7.0
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
          0.20890492 = weight(abstract_txt:digital in 3770) [ClassicSimilarity], result of:
            0.20890492 = score(doc=3770,freq=5.0), product of:
              0.4543004 = queryWeight, product of:
                5.607368 = boost
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.01846736 = queryNorm
              0.45983872 = fieldWeight in 3770, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.046875 = fieldNorm(doc=3770)
        0.4 = coord(10/25)
    
  4. Bueno-de-la-Fuente, G.; Hernández-Pérez, T.; Rodríguez-Mateos, D.; Méndez-Rodríguez, E.M.; Martín-Galán, B.: Study on the use of metadata for digital learning objects in University Institutional Repositories (MODERI) (2009) 0.19
    0.18734491 = sum of:
      0.18734491 = product of:
        0.7806038 = sum of:
          0.021795545 = weight(abstract_txt:work in 4161) [ClassicSimilarity], result of:
            0.021795545 = score(doc=4161,freq=1.0), product of:
              0.07285882 = queryWeight, product of:
                1.0303428 = boost
                3.82909 = idf(docFreq=2515, maxDocs=42596)
                0.01846736 = queryNorm
              0.29914767 = fieldWeight in 4161, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.82909 = idf(docFreq=2515, maxDocs=42596)
                0.078125 = fieldNorm(doc=4161)
          0.04386345 = weight(abstract_txt:material in 4161) [ClassicSimilarity], result of:
            0.04386345 = score(doc=4161,freq=1.0), product of:
              0.10551784 = queryWeight, product of:
                1.0738269 = boost
                5.3209214 = idf(docFreq=565, maxDocs=42596)
                0.01846736 = queryNorm
              0.41569698 = fieldWeight in 4161, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.3209214 = idf(docFreq=565, maxDocs=42596)
                0.078125 = fieldNorm(doc=4161)
          0.040285043 = weight(abstract_txt:collections in 4161) [ClassicSimilarity], result of:
            0.040285043 = score(doc=4161,freq=1.0), product of:
              0.10973189 = queryWeight, product of:
                1.2644659 = boost
                4.6991677 = idf(docFreq=1053, maxDocs=42596)
                0.01846736 = queryNorm
              0.36712247 = fieldWeight in 4161, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.6991677 = idf(docFreq=1053, maxDocs=42596)
                0.078125 = fieldNorm(doc=4161)
          0.16718452 = weight(abstract_txt:repository in 4161) [ClassicSimilarity], result of:
            0.16718452 = score(doc=4161,freq=1.0), product of:
              0.32438797 = queryWeight, product of:
                2.6626782 = boost
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.01846736 = queryNorm
              0.51538444 = fieldWeight in 4161, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.078125 = fieldNorm(doc=4161)
          0.2872701 = weight(abstract_txt:objects in 4161) [ClassicSimilarity], result of:
            0.2872701 = score(doc=4161,freq=5.0), product of:
              0.29953706 = queryWeight, product of:
                2.9544795 = boost
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.01846736 = queryNorm
              0.95904696 = fieldWeight in 4161, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.078125 = fieldNorm(doc=4161)
          0.22020511 = weight(abstract_txt:digital in 4161) [ClassicSimilarity], result of:
            0.22020511 = score(doc=4161,freq=2.0), product of:
              0.4543004 = queryWeight, product of:
                5.607368 = boost
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.01846736 = queryNorm
              0.48471257 = fieldWeight in 4161, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.078125 = fieldNorm(doc=4161)
        0.24 = coord(6/25)
    
  5. Daniel Jr., R.; Lagoze, C.: Extending the Warwick framework : from metadata containers to active digital objects (1997) 0.18
    0.18364027 = sum of:
      0.18364027 = product of:
        0.57387584 = sum of:
          0.025048682 = weight(abstract_txt:described in 2444) [ClassicSimilarity], result of:
            0.025048682 = score(doc=2444,freq=2.0), product of:
              0.091507636 = queryWeight, product of:
                4.9551015 = idf(docFreq=815, maxDocs=42596)
                0.01846736 = queryNorm
              0.27373326 = fieldWeight in 2444, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                4.9551015 = idf(docFreq=815, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
          0.026440313 = weight(abstract_txt:object in 2444) [ClassicSimilarity], result of:
            0.026440313 = score(doc=2444,freq=1.0), product of:
              0.119524 = queryWeight, product of:
                1.1428754 = boost
                5.6630635 = idf(docFreq=401, maxDocs=42596)
                0.01846736 = queryNorm
              0.22121342 = fieldWeight in 2444, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.6630635 = idf(docFreq=401, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
          0.018621873 = weight(abstract_txt:concepts in 2444) [ClassicSimilarity], result of:
            0.018621873 = score(doc=2444,freq=1.0), product of:
              0.1041372 = queryWeight, product of:
                1.2318097 = boost
                4.577807 = idf(docFreq=1189, maxDocs=42596)
                0.01846736 = queryNorm
              0.17882058 = fieldWeight in 2444, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                4.577807 = idf(docFreq=1189, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
          0.07040406 = weight(abstract_txt:framework in 2444) [ClassicSimilarity], result of:
            0.07040406 = score(doc=2444,freq=6.0), product of:
              0.15920942 = queryWeight, product of:
                1.8653945 = boost
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.01846736 = queryNorm
              0.4422104 = fieldWeight in 2444, product of:
                2.4494898 = tf(freq=6.0), with freq of:
                  6.0 = termFreq=6.0
                4.6216097 = idf(docFreq=1138, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
          0.029796991 = weight(abstract_txt:library in 2444) [ClassicSimilarity], result of:
            0.029796991 = score(doc=2444,freq=3.0), product of:
              0.13839139 = queryWeight, product of:
                2.354841 = boost
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.01846736 = queryNorm
              0.21530958 = fieldWeight in 2444, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                3.1823115 = idf(docFreq=4803, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
          0.11821729 = weight(abstract_txt:repository in 2444) [ClassicSimilarity], result of:
            0.11821729 = score(doc=2444,freq=2.0), product of:
              0.32438797 = queryWeight, product of:
                2.6626782 = boost
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.01846736 = queryNorm
              0.3644318 = fieldWeight in 2444, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.5969205 = idf(docFreq=157, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
          0.11125922 = weight(abstract_txt:objects in 2444) [ClassicSimilarity], result of:
            0.11125922 = score(doc=2444,freq=3.0), product of:
              0.29953706 = queryWeight, product of:
                2.9544795 = boost
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.01846736 = queryNorm
              0.37143725 = fieldWeight in 2444, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                5.489905 = idf(docFreq=477, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
          0.17408742 = weight(abstract_txt:digital in 2444) [ClassicSimilarity], result of:
            0.17408742 = score(doc=2444,freq=5.0), product of:
              0.4543004 = queryWeight, product of:
                5.607368 = boost
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.01846736 = queryNorm
              0.38319892 = fieldWeight in 2444, product of:
                2.236068 = tf(freq=5.0), with freq of:
                  5.0 = termFreq=5.0
                4.3871174 = idf(docFreq=1439, maxDocs=42596)
                0.0390625 = fieldNorm(doc=2444)
        0.32 = coord(8/25)