-
Paul-Hus, A.; Desrochers, N.; Rijcke, S.de; Rushforth, A.D.: ¬The reward system of science (2017)
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- Date
- 20. 1.2015 18:30:22
-
Rekabsaz, N. et al.: Toward optimized multimodal concept indexing (2016)
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- Date
- 1. 2.2016 18:25:22
-
Platis, N. et al.: Visualization of uncertainty in tag clouds (2016)
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- Date
- 1. 2.2016 18:25:22
-
Ford, N.: Introduction to information behaviour (2015)
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- Date
- 22. 1.2017 16:45:48
-
Huang, M.; Barbour, J.; Su, C.; Contractor, N.: Why do group members provide information to digital knowledge repositories? : a multilevel application of transactive memory theory (2013)
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- Abstract
- The proliferation of digital knowledge repositories (DKRs) used for distributed and collocated work raises important questions about how to manage these technologies. This study investigates why individuals contribute information to DKRs by applying and extending transactive memory theory. Data from knowledge workers (N = 208) nested in work groups (J = 17) located in Europe and the United States revealed, consistent with transactive memory theory, that perceptions of experts' retrieval of information were positively related to the likelihood of information provision to DKRs. The relationship between experts' perceptions of retrieval and information provision varied from group to group, and cross-level interactions indicated that trust in how the information would be used and the interdependence of tasks within groups could explain that variation. Furthermore, information provision to DKRs was related to communication networks in ways consistent with theorizing regarding the formation of transactive memory systems. Implications for theory and practice are discussed, emphasizing the utility of multilevel approaches for conceptualizing and modeling why individuals provide information to DKRs.
- Date
- 22. 3.2013 19:39:00
-
Westman, S.; Laine-Hernandez, M.; Oittinen, P.: Development and evaluation of a multifaceted magazine image categorization model (2011)
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- Abstract
- The development of visual retrieval methods requires information about user interaction with images, including their description and categorization. This article presents the development of a categorization model for magazine images based on two user studies. In Study 1, we elicited 10 main classes of magazine image categorization criteria through sorting tasks with nonexpert and expert users (N=30). Multivariate methods, namely, multidimensional scaling and hierarchical clustering, were used to analyze similarity data. Content analysis of category names gave rise to classes that were synthesized into a categorization framework. The framework was evaluated in Study 2 by experts (N=24) who categorized another set of images consistent with the framework and found it to be useful in the task. Based on the evaluation study the framework was solidified into a model for categorizing magazine imagery. Connections between classes were analyzed both from the original sorting data and from the evaluation study and included into the final model. The model is a practical categorization tool that may be used in workplaces, such as magazine editorial offices. It may also serve to guide the development of computational methods for image understanding, selection of concepts for automatic detection, and approaches to support browsing and exploratory image search.
- Date
- 22. 1.2011 14:09:26
-
Frâncu, V.; Sabo, C.-N.: Implementation of a UDC-based multilingual thesaurus in a library catalogue : the case of BiblioPhil (2010)
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- Date
- 22. 7.2010 20:40:56
-
Wojdynski, B.W.; Kalyanaraman, S.: ¬The three dimensions of website navigability : explication and effects (2016)
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- Abstract
- Although the navigability of digital interfaces has been long discussed as a key determinant of media effects of web use, existing scholarship has not yielded a clear conceptual understanding of navigability, nor how to measure perceived navigability as an outcome. The present paper attempts to redress both and proposes that navigability be conceptually examined along three dimensions, namely, logic of structure, clarity of structure, and clarity of target. A 2?×?2?×?2 factorial between-subjects experiment (N?=?128) was conducted to examine distinct contributions of these dimensions to perceptions of a nonprofit website. The results showed significant effects for logic of structure and clarity on perceived navigability, while logic of structure and content domain involvement affected attitudes toward the website.
- Date
- 22. 1.2016 14:18:13
-
Thelwall, M.; Maflahi, N.: Guideline references and academic citations as evidence of the clinical value of health research (2016)
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- Date
- 19. 3.2016 12:22:00
-
Kleineberg, M.: Context analysis and context indexing : formal pragmatics in knowledge organization (2014)
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- Source
- http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CDQQFjAE&url=http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F3131107&ei=HzFWVYvGMsiNsgGTyoFI&usg=AFQjCNE2FHUeR9oQTQlNC4TPedv4Mo3DaQ&sig2=Rlzpr7a3BLZZkqZCXXN_IA&bvm=bv.93564037,d.bGg&cad=rja
-
Crespo, J.A.; Herranz, N.; Li, Y.; Ruiz-Castillo, J.: ¬The effect on citation inequality of differences in citation practices at the web of science subject category level (2014)
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- Abstract
- This article studies the impact of differences in citation practices at the subfield, or Web of Science subject category level, using the model introduced in Crespo, Li, and Ruiz-Castillo (2013a), according to which the number of citations received by an article depends on its underlying scientific influence and the field to which it belongs. We use the same Thomson Reuters data set of about 4.4 million articles used in Crespo et al. (2013a) to analyze 22 broad fields. The main results are the following: First, when the classification system goes from 22 fields to 219 subfields the effect on citation inequality of differences in citation practices increases from ?14% at the field level to 18% at the subfield level. Second, we estimate a set of exchange rates (ERs) over a wide [660, 978] citation quantile interval to express the citation counts of articles into the equivalent counts in the all-sciences case. In the fractional case, for example, we find that in 187 of 219 subfields the ERs are reliable in the sense that the coefficient of variation is smaller than or equal to 0.10. Third, in the fractional case the normalization of the raw data using the ERs (or subfield mean citations) as normalization factors reduces the importance of the differences in citation practices from 18% to 3.8% (3.4%) of overall citation inequality. Fourth, the results in the fractional case are essentially replicated when we adopt a multiplicative approach.
-
Smiraglia, R.P.: ISKO 12's bookshelf - evolving intension : an editorial (2013)
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- Abstract
- The 2012 biennial international research conference of the International Society for Knowledge Organization was held August 6-9, in Mysore, India. It was the second international ISKO conference to be held in India (Canada and India are the only countries to have hosted two international ISKO conferences), and for many attendees travel to the exotic Indian subcontinent was a new experience. Interestingly, the mix of people attending was quite different from recent meetings held in Europe or North America. The conference was lively and, as usual, jam-packed with new research. Registration took place on a veranda in the garden of the B. N. Bahadur Institute of Management Sciences where the meetings were held at the University of Mysore. This graceful tree (Figure 1) kept us company and kept watch over our considerations (as indeed it does over the academic enterprise of the Institute). The conference theme was "Categories, Contexts and Relations in Knowledge Organization." The opening and closing sessions fittingly were devoted to serious introspection about the direction of the domain of knowledge organization. This editorial, in line with those following past international conferences, is an attempt to comment on the state of the domain by reflecting domain-analytically on the proceedings of the conference, primarily using bibliometric measures. In general, it seems the domain is secure in its intellectual moorings, as it continues to welcome a broad granular array of shifting research questionsin its intension. It seems that the continual concretizing of the theoretical core of knowledge organization (KO) seems to act as a catalyst for emergent ideas, which can be observed as part of the evolving intension of the domain.
- Date
- 22. 2.2013 11:43:34
-
Brandão, W.C.; Santos, R.L.T.; Ziviani, N.; Moura, E.S. de; Silva, A.S. da: Learning to expand queries using entities (2014)
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- Date
- 22. 8.2014 17:07:50
-
Sinn, D.; Soares, N.: Historians' use of digital archival collections : the web, historical scholarship, and archival research (2014)
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- Date
- 22. 8.2014 17:03:50
-
Bergman, O.; Whittaker, S.; Falk, N.: Shared files : the retrieval perspective (2014)
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- Abstract
- People who are collaborating can share files in two main ways: performing Group Information Management (GIM) using a common repository or performing Personal Information Management (PIM) by distributing files as e-mail attachments and storing them in personal repositories. There is a trend toward using common repositories with many organizations encouraging workers to use GIM to avoid duplication of files and management. So far, PIM and GIM have been studied by different research communities, so their effectiveness for file retrieval has not yet been systematically compared. We compared PIM and GIM in a large-scale elicited personal information retrieval study. We asked 275 users to retrieve 860 of their own shared files, testing the effect of sharing method on success and efficiency of retrieval. Participants preferred PIM over GIM. More important, PIM retrieval was more successful: Participants using GIM failed to find 22% of their files compared with 13% failures using PIM. This may be because active organization aids retrieval: When using personally created folders, the failure percentage was 65% lower than when using default folders (e.g., My Documents), and more than 5 times lower than when using folders created by others for GIM. Theoretical reasons for this are discussed.
-
Ménard, E.; Khashman, N.; Kochkina, S.; Torres-Moreno, J.-M.; Velazquez-Morales, P.; Zhou, F.; Jourlin, P.; Rawat, P.; Peinl, P.; Linhares Pontes, E.; Brunetti., I.: ¬A second life for TIIARA : from bilingual to multilingual! (2016)
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- Source
- Knowledge organization. 43(2016) no.1, S.22-34
-
Hamari, J.; Sjöklint, M.; Ukkonen, A.: ¬The sharing economy : why people participate in collaborative consumption (2016)
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- Abstract
- Information and communications technologies (ICTs) have enabled the rise of so-called "Collaborative Consumption" (CC): the peer-to-peer-based activity of obtaining, giving, or sharing the access to goods and services, coordinated through community-based online services. CC has been expected to alleviate societal problems such as hyper-consumption, pollution, and poverty by lowering the cost of economic coordination within communities. However, beyond anecdotal evidence, there is a dearth of understanding why people participate in CC. Therefore, in this article we investigate people's motivations to participate in CC. The study employs survey data (N?=?168) gathered from people registered onto a CC site. The results show that participation in CC is motivated by many factors such as its sustainability, enjoyment of the activity as well as economic gains. An interesting detail in the result is that sustainability is not directly associated with participation unless it is at the same time also associated with positive attitudes towards CC. This suggests that sustainability might only be an important factor for those people for whom ecological consumption is important. Furthermore, the results suggest that in CC an attitude-behavior gap might exist; people perceive the activity positively and say good things about it, but this good attitude does not necessary translate into action.
- Date
- 22. 8.2016 19:01:54
-
Bronstein, J.; Gazit, T.; Perez, O.; Bar-Ilan, J.; Aharony, N.; Amichai-Hamburger, Y.: ¬An examination of the factors contributing to participation in online social platforms (2016)
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- Date
- 20. 1.2015 18:30:22
-
Hangel, N.; Schmidt-Pfister, D.: Why do you publish? : on the tensions between generating scientific knowledge and publication pressure (2017)
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- Date
- 20. 1.2015 18:30:22
-
Monireh, E.; Sarker, M.K.; Bianchi, F.; Hitzler, P.; Doran, D.; Xie, N.: Reasoning over RDF knowledge bases using deep learning (2018)
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- Date
- 16.11.2018 14:22:01
