papers of poential interest to Sig Merics readers

Sat Aug 18 12:59:19 EDT 2012

TITLE:          Extended dynamic subgraph statistics using h-index
                parameterized data structures (Article, English)
AUTHOR:         Eppstein, D; Goodrich, MT; Strash, D; Trott, L
SOURCE:         THEORETICAL COMPUTER SCIENCE 447. AUG 17 2012. p.44-52
                ELSEVIER SCIENCE BV, AMSTERDAM

SEARCH TERM(S):  PRICE DJD  rauth;
                 HIRSCH JE          P NATL ACAD SCI USA   102:16569 2005

KEYWORDS:       Parameterized algorithm; Subgraph; h-index; Dynamic graph
                algorithm
KEYWORDS+:       MARKOV GRAPHS; NETWORKS; ALGORITHMS; DIAMETER; MODELS

ABSTRACT:       We present techniques for maintaining subgraph
frequencies in a dynamic graph, using data structures that are
parameterized in terms of h, the h-index of the graph. Our methods extend
previous results of Eppstein and Spiro for maintaining statistics for
undirected subgraphs of size three to directed subgraphs and to subgraphs
of size four. For the directed case, we provide a data structure to
maintain counts for all 3-vertex induced subgraphs in O(h) amortized time
per update. For the undirected case, we maintain the counts of size-four
subgraphs in O(h(2)) amortized time per update. These extensions enable a
number of new applications in Bioinformatics and Social Networking
research. (c) 2011 Elsevier B.V. All rights reserved.

AUTHOR ADDRESS: L Trott, Univ Calif Irvine, Dept Comp Sci, Irvine, CA 92717
                USA

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Title: The persistence of error: a study of retracted articles on the Internet and in personal libraries  
Authors: Davis, PM 
Author Full Names: Davis, Philip M. 
Source: JOURNAL OF THE MEDICAL LIBRARY ASSOCIATION, 100 (3):184-189; 10.3163/1536-5050.100.3.008 JUL 2012  
Language: English 
Document Type: Article 
KeyWords Plus: INFORMATION-SEEKING BEHAVIOR; SCIENTIFIC LITERATURE; JOURNALS; IMPACT; CITATIONS; SCIENCE 
Abstract: Objective: To determine the accessibility of retracted articles residing on non-publisher websites and in personal libraries. 
Methods: Searches were performed to locate Internet copies of 1,779 retracted articles identified in MEDLINE, published between 1973 and 2010, excluding the publishers' website. Found copies were classified by article version and location. Mendeley (a bibliographic software) was searched for copies residing in personal libraries. 
Results: Non-publisher websites provided 321 publicly accessible copies for 289 retracted articles: 304 (95%) copies were the publisher' versions, and 13 (4%) were final manuscripts. PubMed Central had 138 (43%) copies; educational websites 94 (29%); commercial websites 24 (7%); advocacy websites 16 (5%); and institutional repositories 10 (3%). Just 15 (5%) hill-article views included a retraction statement. Personal Mendeley libraries contained records for 1,340 (75%) retracted articles, shared by 3.4 users, on average. 
Conclusions: The benefits of decentralized access to scientific articles may come with the cost of promoting incorrect, invalid, or untrustworthy science. Automated methods to deliver status updates to readers may reduce the persistence of error in the scientific literature. 
Reprint Address: 432 Mitchell St, Ithaca, NY 14850 USA.  
Addresses:  
E-mail Address: pmd8 at cornell.edu 
Cited Reference Count: 32  
Times Cited: 0  
Publisher: MEDICAL LIBRARY ASSOC, 65 EAST WACKER PLACE, STE 1900, CHICAGO, IL 60601-7298 USA  
ISSN: 1536-5050  
Web of Science Categories: Information Science & Library Science 
Research Areas: Information Science & Library Science 
IDS Number: 975HJ  
Unique ID: WOS:000306501000008 
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Title: Journal evaluation based on bibliometric indicators and the CERIF data model

Authors: Ivanovic, D; Surla, D; Rackovic, M

Author Full Names: Ivanovic, Dragan; Surla, Dusan; Rackovic, Milos

Source: COMPUTER SCIENCE AND INFORMATION SYSTEMS, 9 (2):791-811; 10.2298/CSIS110801009I JUN 2012 

Language: English

Document Type: Article

Author Keywords:
CERIF, evaluation of scientific-research results, impact factor, CRIS UNS

KeyWords Plus:
RESEARCH MANAGEMENT-SYSTEM; MARC 21 FORMAT; IMPACT FACTOR; CITATION-REPORTS; PERFORMANCE; UNIMARC; ARTICLE; SCIENCE; INDEX

Abstract:
In this paper we propose an application of extended CERIF data model for storing journal impact factors and journal scientific fields and also propose a journal evaluation approach based on these data. The approach includes an algorithm for journal evaluation based on one metric for journals ranking that is also stored using the CERIF data model and that is in accordance with the rule book for evaluation of scientific-research results which is prescribed by the Republic of Serbia. The algorithm does not unambiguously evaluate journal, i.e. the algorithm suggests possibly journal categories according to the values of the metric, but final decision is made by commission. The proposed evaluation approach is implemented within CRIS UNS and verified on scientific-research results of researchers employed at Department of Mathematics and Informatics, University of Novi Sad. The complete evaluation approach proposed in this paper is based on the CERIF standard that allows an easy ap!
 plication of this evaluation approach in any CERIF-compatible CRIS system.
Reprint Address:
Univ Novi Sad, Fac Tech Sci, Trg D Obradovica 6, Novi Sad 21000, Serbia. 

Addresses:
[Ivanovic, Dragan] Univ Novi Sad, Fac Tech Sci, Novi Sad 21000, Serbia
[Surla, Dusan] Univ Novi Sad, Fac Sci, Novi Sad 21000, Serbia

E-mail Address:
chenejac at uns.ac.rs; surla at uns.ac.rs; rackovic at dmi.uns.ac.rs

Funding Acknowledgement:
Ministry of Education and Science of the Republic of Serbia[47003]

Funding Text:
This paper is part of the research project "Infrastructure for Technology Enhanced Learning in Serbia" supported by the Ministry of Education and Science of the Republic of Serbia [Project No. 47003].

Cited Reference Count: 32

Times Cited: 0

Publisher:
COMSIS CONSORTIUM, UNIV NOVI SAD, FAC TECH SCI, TRG DOSITEJA OBRADOVICA 6, NOVI SAD, 21000, SERBIA

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Title: *Impact Factor*, Citation *Index*, H-*Index*: are researchers still free *to* choose where and how *to* publish their results?

Authors: Solarino, S

Author Full Names: Solarino, Stefano

Source: ANNALS OF GEOPHYSICS, 55 (3):473-477; SI 10.4401/ag-5518 2012 

Language: English

Document Type: Article

Abstract:
Over the last decade, the demand to evaluate the impact of any given research study, the credentials of a researcher, and the influence that any single research unit or agency has on the world of research has constantly grown. Many tools have been developed and applied to evaluate the level of innovation, originality and continuity of a single researcher in an objective way. As a consequence, there are comparisons of the performances of different research agencies. Some of these tools, which often provide the result as an 'index', are briefly described in this study. However, it is clearly evident that the evaluations provided by these instruments do not always correspond to the real impact of the research, nor are they unique. Indeed, the same index computed using similar criteria on different databases gives different scores, which can lead to confusion and contradictions. In this contribution, the principal anomalies, problems and failures of these evaluation schemes are !
 described. The most evident of these arise from the nature of the evaluation, which being automated, cannot establish the role of any single researcher in papers of 'pooled' research, and cannot recognize similar or duplicated papers by the same researcher(s) in more than one journal. The 'selecting' effects that these evaluation indices can have on the research are then discussed. Indeed, in an attempt to obtain the highest possible scores in terms of citations, there is a tendency of the single scholar to avoid studies that deal with small areas, or with scientific problems that do not have a broad interest or provide applicative results. In all of these cases, an article describing such studies will in all likelihood appear in a 'minor journal' (one with a low *impact factor*). As a consequence, this will provide a low citation index, will not significantly contribute to the authors' H-index, and/or will only be published as a report. Moreover, a discussion on the role t!
 hat these evaluation indices can have in the world of research!
  is presented. Particular attention is paid to the consequences in the field of the geoethics, where scientific, technological, methodological and socio-cultural aspects need to be considered in a different order to that expected in a pure meritocracy.
Reprint Address:
Ctr Nazl Terremoti, Ist Nazl Geofis & Vulcanol, Sede Di Genova, Italy. 

Addresses:
Ctr Nazl Terremoti, Ist Nazl Geofis & Vulcanol, Sede Di Genova, Italy

E-mail Address:
stefano.solarino at ingv.it

Cited Reference Count: 5

Times Cited: 0

Publisher:
IST NAZIONALE DI GEOFISICA E VULCANOLOGIA, VIA VIGNA MURATA 605, ROME, 00143, ITALY