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1.
James B. Pick 《Archives and Museum Informatics》1990,4(2):2-7
The national survey, conducted for all art museums in the United States and Canada, resulted in 252 questionnaires, of which
166 were computer-user museums with acceptable questionnaires. The institutions using computers averaged 2.2 million in budget and had a median membership level of 860. Museums were divided in small, medium, and large budget categories by the budget ranges of2.2 million in budget
and had a median membership level of 860. Museums were divided in small, medium, and large budget categories by the budget
ranges of 0-210,000, 211-817,000, and211-817,000, and 818,000+. 相似文献
2.
Jon Zabala Borja González-Albo Ana García-García Aurora Garrido-Domínguez José Ignacio Vidal-Liy Luis R. Álvarez-Díez Soledad Hernando-Tundidor Yara Mostazo-Fernández Teresa Abejón 《Learned Publishing》2023,36(2):205-216
This article analyses the review, acceptance and publication dates of a sample of 21,890 articles from 326 Ibero-American scientific journals from all subject areas and countries included in the Latindex Catalogue 2.0 and published between 2018 and 2020 (freely available as an open access dataset). The aim is to discover evaluation and publication times. The evaluation process takes a median of 110 days, the publication process, a median of 82 days, and the whole process, a median of 224 days. Statistical differences are found according to periodicity, subject areas, countries, existence of a printed version and article type (Call for Papers or General articles). From the data we find that the delay in publication is longer than publishers themselves report to the DOAJ. STEM areas present the most similarity in publication patterns, having a higher number of evaluation days (Ed) than publication days (Pd); Arts and Humanities present the opposite pattern, with a higher Pd than Ed. In the case of Social Sciences, the times are similar. General articles and Call for Papers articles differ in terms of Ed, but not Pd, indicating that Call for Papers revisions are faster. 相似文献
3.
A compressed full-text self-index for a text T, of size u, is a data structure used to search for patterns P, of size m, in T, that requires reduced space, i.e. space that depends on the empirical entropy (H
k
or H
0) of T, and is, furthermore, able to reproduce any substring of T. In this paper we present a new compressed self-index able to locate the occurrences of P in O((m + occ)log u) time, where occ is the number of occurrences. The fundamental improvement over previous LZ78 based indexes is the reduction of the search
time dependency on m from O(m
2) to O(m). To achieve this result we point out the main obstacle to linear time algorithms based on LZ78 data compression and expose
and explore the nature of a recurrent structure in LZ-indexes, the suffix tree. We show that our method is very competitive in practice by comparing it against other state of the art compressed
indexes.
相似文献
Arlindo L. OliveiraEmail: |
4.
Antonio Quesada 《Journal of Informetrics》2011,5(3):476-480
The Hirsch index and the Egghe index are both numbers that synthesize a researcher's output. The h-index associated with researcher r is the maximum number h such that r has h papers with at least h citations each. The g-index is the maximum number g of papers by r such that the average number of citations of the g papers is at least g. Both indices are characterized in terms of four axioms. One identifies outputs deserving index at most one. A second one establishes a strong monotonicity condition. A third one requires the index to satisfy a property of subadditivity. The last one consists of a monotonicity condition, for the h-index, and an aggregate monotonicity condition, for the g-index. 相似文献
5.
This paper reviews a number of studies comparing Thomson Scientific’s Web of Science (WoS) and Elsevier’s Scopus. It collates their journal coverage in an important medical subfield: oncology. It is found that all WoS-covered oncological journals (n = 126) are indexed in Scopus, but that Scopus covers many more journals (an additional n = 106). However, the latter group tends to have much lower impact factors than WoS covered journals. Among the top 25% of sources with the highest impact factors in Scopus, 94% is indexed in the WoS, and for the bottom 25% only 6%. In short, in oncology the WoS is a genuine subset of Scopus, and tends to cover the best journals from it in terms of citation impact per paper. Although Scopus covers 90% more oncological journals compared to WoS, the average Scopus-based impact factor for journals indexed by both databases is only 2.6% higher than that based on WoS data. Results reflect fundamental differences in coverage policies: the WoS based on Eugene Garfield’s concepts of covering a selective set of most frequently used (cited) journals; Scopus with broad coverage, more similar to large disciplinary literature databases. The paper also found that ‘classical’, WoS-based impact factors strongly correlate with a new, Scopus-based metric, SCImago Journal Rank (SJR), one of a series of new indicators founded on earlier work by Pinski and Narin [Pinski, G., & Narin F. (1976). Citation influence for journal aggregates of scientific publications: Theory, with application to the literature of physics. Information Processing and Management, 12, 297–312] that weight citations according to the prestige of the citing journal (Spearman’s rho = 0.93). Four lines of future research are proposed. 相似文献
6.
TheParis Review celebrated its fortieth anniversary in 1993 in Paris, Mississippi. A founding editor, the managing editor, and the editor-at-large
discuss the manazine's birth and growth, editorial policies, authors, and interview subjects.
James Linville is managing editor of theParis Review. His nonfiction and interviews have been published inEsquire and theParis Review and reprinted inHarper's and thePushcart Prize Anthology. Jeanne McCulloch is editor-at-large for theParis Review. She was managing editor from 1984 to 1989. George Plimpton is a founding editor of theParis Review and the author ofPaper Lion, Shadow Box, X-Factor, and other books. He has edited many works, including theNorton, Anthology of Sports Literature, The Writer's Chapbook, and the ninth volume ofWriters at Work. 相似文献
7.
Peter Quimby 《Publishing Research Quarterly》1995,11(3):124-126
Historical Abstracts (HA) andAmerica: History and Life (AHL) are bibliography serials that cite the appearance of scholarly literature in history and also related fields such as political
science, sociology, anthropology, and folklore, as they relate to history. Both titles first appeared as print publications,HA in 1955 andAHL in 1964. After the use of computers was incorporated into the production process, electronic files of the print volumes were
made available as online databases,HA from volume 19, andAHL from volume 1. Both publications are now available on CD-ROM, along with other ABC-Clio reference titles:ARTBibliographies Modern, ABC-Pol Sci, theExegy current events database, andBibliography of North American Indians. 相似文献
8.
Lutz Bornmann Rüdiger Mutz Sven E. Hug Hans-Dieter Daniel 《Journal of Informetrics》2011,5(3):346-359
This paper presents the first meta-analysis of studies that computed correlations between the h index and variants of the h index (such as the g index; in total 37 different variants) that have been proposed and discussed in the literature. A high correlation between the h index and its variants would indicate that the h index variants hardly provide added information to the h index. This meta-analysis included 135 correlation coefficients from 32 studies. The studies were based on a total sample size of N = 9005; on average, each study had a sample size of n = 257. The results of a three-level cross-classified mixed-effects meta-analysis show a high correlation between the h index and its variants: Depending on the model, the mean correlation coefficient varies between .8 and .9. This means that there is redundancy between most of the h index variants and the h index. There is a statistically significant study-to-study variation of the correlation coefficients in the information they yield. The lowest correlation coefficients with the h index are found for the h index variants MII and m index. Hence, these h index variants make a non-redundant contribution to the h index. 相似文献
9.
This work maps and analyses cross-citations in the areas of Biology, Mathematics, Physics and Medicine in the English version of Wikipedia, which are represented as an undirected complex network where the entries correspond to nodes and the citations among the entries are mapped as edges. We found a high value of clustering coefficient for the areas of Biology and Medicine, and a small value for Mathematics and Physics. The topological organization is also different for each network, including a modular structure for Biology and Medicine, a sparse structure for Mathematics and a dense core for Physics. The networks have degree distributions that can be approximated by a power-law with a cut-off. The assortativity of the isolated networks has also been investigated and the results indicate distinct patterns for each subject. We estimated the betweenness centrality of each node considering the full Wikipedia network, which contains the nodes of the four subjects and the edges between them. In addition, the average shortest path length between the subjects revealed a close relationship between the subjects of Biology and Physics, and also between Medicine and Physics. Our results indicate that the analysis of the full Wikipedia network cannot predict the behavior of the isolated categories since their properties can be very different from those observed in the full network. 相似文献
10.
11.
The study reports on a meta-analysis of attempts to correct misinformation (k?=?65). Results indicate that corrective messages have a moderate influence on belief in misinformation (r?=?.35); however, it is more difficult to correct for misinformation in the context of politics (r?=?.15) and marketing (r?=?.18) than health (r?=?.27). Correction of real-world misinformation is more challenging (r?=?.14), as opposed to constructed misinformation (r?=?.48). Rebuttals (r?=?.38) are more effective than forewarnings (r?=?.16), and appeals to coherence (r?=?.55) outperform fact-checking (r?=?.25), and appeals to credibility (r?=?.14). 相似文献
12.
Abstract Furunori (aged paste) is a conservation material that is used for Japanese painting conservation. Furunori is a smoother and weaker adhesive than fresh paste, and it enables the surfaces to be easily peeled apart, with application of water, in a future conservation. Due to these characteristics, furunori has traditionally been used for attaching the backing paper to paintings in Japan, because it is considered that furunori causes less stress on the paintings than fresh paste. This study aims to clarify the characteristics of furunori based on chemical analysis and examination of the microorganisms involved in the early stage of furunori generation. Based on the results obtained, a polysaccharide similar to furunori was prepared. 相似文献
13.
Steve Paulussen 《Journalism Practice》2014,8(5):542-551
Social media are increasingly being used as sources in mainstream news coverage. Yet, while the research so far has focused mainly on the use of social media in particular situations, such as breaking news coverage, during crisis news events or in times of elections, little attention is paid to journalists' routine, day-to-day monitoring of social media platforms. The aim of this study is to examine the use and selection of social media as sources in routine newspaper coverage. First, it presents a quantitative overview of all the articles published between January 2006 and December 2013 in the print editions of two Flemish (north Belgian) quality newspapers, De Standaard and De Morgen, that explicitly refer to Facebook, Twitter or YouTube. Next, a content analysis is conducted of a sample of newspaper articles published in 2013 that explicitly mention Facebook, Twitter or YouTube as sources of information. The goal of this content analysis is to examine the different appearances and functions of social media references in the news. The study thus provides a first insight into Belgian newspaper journalists' regular sourcing routines in relation to social media. 相似文献
14.
This study analyzed the coverage by two partisan South Korean newspapers of the Middle East respiratory syndrome (MERS) pandemic, examining differences in their use of news frames and cited sources. A content analysis revealed that Hankyoreh, the left-wing newspaper, placed more emphasis on attributing responsibility to the government and society. In contrast, Chosun Ilbo, the right-wing newspaper, placed more emphasis on attributing responsibility to the individual. Severity/uncertainty, economic consequences, and statistical data frame were utilized more in Hankyoreh than the expected frequency. On the other hand, human interest and reassurance frame were utilized more in Chosun Ilbo than the expected frequency. Regarding the sources used in news stories, Hankyoreh used significantly more sources from local governments than did Chosun Ilbo. On the other hand, Chosun Ilbo used significantly more sources from medical agencies and experts than did Hankyoreh. This study advances previous research on the framing of a pandemic in the media by exploring how the partisan leanings of newspapers influence the framing. 相似文献
15.
Larry Brown Liz Darhansoff Richard Howorth Shannon Ravenel Ina Stern 《Publishing Research Quarterly》1993,9(4):41-52
An author, editor, agent, marketing director, and bookseller describe in turn how one book—Facing the Music: Short Stories by Larry Brown—made the journey from a writer's brain to readers' brains.
Larry Brown is the author of two novels,Dirty Work andJoe, and two short-story collections,Facing the Music andBig Bad Love. His next book,On Fire, is a nonfiction account of his experiences in the Oxford, Mississippi, Fire Department. Liz Darhansoff is a literary agent
with Darhansoff and Verrill Literary Agency, New York. Richard Howorth is an Oxford bookseller who serves on theParis Review's Booksellers' Advisory Board, the Board of Directors of the Mississippi Institute of Arts and Letters, and the Board of Directors
of the American Booksellers Association. He chairs the ABA's Publisher Relations Committee and in 1986 was awarded the Charles
S. Haslam Award for excellence in bookselling. Shannon Ravenel is editorial director of Algonquin Books of Chapel Hill and
the editor of its annualNew Stories from, the South. From 1977 to 1990 she was series editor forBest American Short Stories, and she editedThe Best American Short Stories of the Eighties. Ina Stern is marketing director of Algonquin Books of Chapel Hill. 相似文献
16.
Sean Brayton 《传播与批判/文化研究》2017,14(1):66-82
This paper examines representations of mental illness in popular film, particularly Richard Ayoade’s The Double and Dan Gilroy’s Nightcrawler. As I argue, both films trouble typical Hollywood narratives of mental illness by situating schizophrenia and psychopathy, for instance, within a socioeconomic context, specifically relations of production under late capitalism and the unfettered self-interest of neoliberalism. If mental illness is a product of the postindustrial workplace in The Double, it becomes a prerequisite for success in Nightcrawler, providing a cinematic depiction of mental illness at odds with the “personal pathology” paradigm that dominates the current neoliberal landscape. 相似文献
17.
Hannah Spring 《Health information and libraries journal》2017,34(4):284-286
This virtual issue of the Health Information and Libraries Journal (HILJ) has been compiled to mark the 5th International Clinical Librarian Conference 2011. In considering the challenges of clinical information provision, the content selected for the virtual issue offers an international flavour of clinical information provision and covers a variety of different facets of clinical librarianship. The issue broadly covers the areas of information needs and preferences, clinical librarian roles and services, and education and training, and reflects the way in which a normal issue of the HILJ would be presented. This includes a review article, a collection of original articles, and the three regular features which comprise International Perspectives and Initiatives, Learning and Teaching in Action, and Using Evidence in Practice. All papers included in this virtual issue are available free online. 相似文献
18.
William J. Brown 《亚洲交流杂志》2013,23(1):113-135
The study examines the prosocial effects of Hum Log (We People), India's first long‐running television soap opera. Hum Log was a prosocial television programme that was designed to promote women's status in Indian society. Regression analysis was used to measure the degree to which exposure to Hum Log affected viewers' (1) awareness of certain prosocial beliefs promoted by the series, (2) level of television dependency, (3) involvement with the characters of Hum Log, and (4) adherence to three prosocial beliefs promoted by Hum Log. Exposure to Hum Log was positively associated with viewers' awareness of the programme's prosocial messages, television dependency, and involvement with television characters in the series. Viewers who were more exposed to Hum Log were also more likely to believe in women's equality and women's freedom of choice, but not in family planning. The implications of these findings are discussed in terms of present and future research on the use of prosocial television programmes for development in Asia. 相似文献
19.
The history and scope of the American Economic Association’sEconLit and theEconomic Literature Index
Drucilla Ekwurzel 《Publishing Research Quarterly》1995,11(3):104-108
This paper discusses the coverage and history of the American Economic Association's electronic bibliographic databases,EconLit andEconomic Literature Index. The author briefly traces the origins of the discipline of economics and discusses the history and early print bibliographies
of the association, which were later expanded into electronic media with the creation of theEconomic Literature Index andEconLit. Tables show the subject and geographic scope, as well as the coverage dates and number of records, for the different document
types contained in bothEconLit and theEconomic Literature Index. 相似文献
20.
We develop efficient dynamic programming algorithms for pattern matching with general gaps and character classes. We consider
patterns of the form p
0
g(a
0,b
0)p
1
g(a
1,b
1)…p
m−1, where p
i
⊂ Σ, Σ is some finite alphabet, and g(a
i
,b
i
) denotes a gap of length a
i
…b
i
between symbols p
i
and p
i+1. The text symbol t
j
matches p
i
iff t
j
∈ p
i
. Moreover, we require that if p
i
matches t
j
, then p
i+1 should match one of the text symbols Either or both of a
i
and b
i
can be negative. We also consider transposition invariant matching, i.e., the matching condition becomes t
j
∈ p
i
+ τ, for some constant τ determined by the algorithms. We give algorithms that have efficient average and worst case running times. The algorithms
have important applications in music information retrieval and computational biology. We give experimental results showing
that the algorithms work well in practice. 相似文献