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  • 4.1 Sci2 Release Notes v0.5 alpha

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The Cyberinfrastructure for Network Science Center is pleased to announce the release of the Sci2 Sci2 (Science of Science) Tool v0.5 alpha, which contains much of the functionality of the Network Workbench tool as well as a variety of new general purpose and scientometrics-focused algorithms. Sci2 Sci2 is still undergoing significant changes, but already has many new features that are worth exploring. Please visit the new Sci2 Sci2 homepage to download and learn more about Sci2 Sci2 .

Sci2 Sci2 is well documented with over 12 tutorials prepared for NIH in Summer 2010 and an online user manual with more than 100 pages of content, including sample Sci2 Sci2 workflows and documentation for every algorithm in Sci2Sci2. New features in Sci2 Sci2 so far include web-based Yahoo! and desktop Geocoders, two different ways to overlaying geographic information on U.S. and World Maps, customizable stop word lists, and an algorithm for combining two networks into one. We are also developing a new scalable database-oriented scientometrics pipeline capable of producing many new types of networks and tables based on ISI, NSF, and now generic CSV data. This new pipeline can be downloaded as a supplemental preview package from the download section of the Sci2 Sci2 site, and will be available by default in Sci2 Sci2 for future releases. We have also fixed many bugs from Network Workbench and previous Sci2 Sci2 versions. See below for a full list of changes since Sci2 Sci2 v0.3.

Network Workbench and Sci2 Sci2 are both based on the CIShell framework, which makes it easy to add new algorithms to each tool. See our recent video featured in the Communications of the ACM or the CIShell wiki for more information.

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  • Fixed a text display error on Macs.
  • Fixed an issue where GUESS couldn't display certain pajek.net files.
  • Fixed an issue where filenames could start or end with a space.
  • Fixed an error with creating directed networks from some NSF files.
  • Fixed an issue where text-based pipeline co-authorship network extraction no longer merged names with different cases.
  • Fixed an issue in GUESS where certain drop-down boxes would not be populated.
  • Fixed an issue with dates in the NSF database.
  • Fixed an issue where Extract Authors by Year output would sometimes be invalid.
  • Fixed issue with having multiple files with the same name in the Data Manager.
  • Fixed an issue with the ISI paper -> reference matcher.
  • Fixed a bug where Node Betweenness Centrality would return a graph with zero nodes.
  • Fixed an error condition in Co-Word Occurrence algorithm.
  • Fixed a confusing package naming issue between two versions of delete isolates.
  • Fixed merging capabilities in non-db pipeline.
  • Fixed broken links under Help -> About.
  • Fixed error handling in Geo Maps when an input file had no numeric columns (and hence no basis for size or color coding).
  • Fixed an issue with 'delete isolates' and 'weak component clustering'.
  • Fixed an issue with NWB formatting that was causing issues in GUESS.
  • Fixed an error with handling EndNote data.
  • Fixed a number of errors in GUESS python scripts.
  • Fixed an error in 'Extract Nodes Above or Below Value'.
  • Fixed an error in 'normalize text'.
  • Fixed an issue in GUESS where edges in UTF-8 files would not be shown.
  • Fixed old references in Sci2 Sci2 that pointed to the old bug tracker to point to our new bug tracker.
  • Fixed an issue with the output of document citation network where it wouldn't work with Weighted Page Rank.
  • Fixed issue where some pajek.net files would not load properly in pajek.
  • Changed some text that still said 'NWB' to 'Sci2 Sci2 '.
  • Fixed an issue with viewing pajek.net files immediately after they were loaded into Sci2 Sci2 .
  • Fixed an issue with GUESS colorizing.
  • Fixed a merging error produced by one of our Sci2 Sci2 workflows.
  • Fixed an issue with Node Betweenness Centrality.
  • Fixed an issue with normalizing author names.
  • Fixed an issue where Aggregate Data would not have a good error message when columns have null values in them.
  • Fixed an issue with viewing the CSV output of Extract ZIP code.
  • Fixed an issue with GUESS displaying XGMML input strangely.
  • Fixed an issue with the Network Analysis Toolkit where it was sensitive to whitespace in pajek.net files.
  • Fixed an issue with Delete Isolates where the number of nodes deleted differed from what it was reporting on the Console.
  • In supplemental database package:
    • Fixed a database error with Core journal co-citation output producing strange results in NAT and GUESS.
    • Fixed a database error where Extract Authors would sometimes return zero results.
    • Fixed an issue with loading certain unusual ISI files into the ISI database.
    • Changed text so that it always used the more inclusive term 'Document Sources' rather than 'Journals' where appropriate.
    • Fixed a bug where database produced bad output for GUESS.