Recommender systems, Part 1: Introduction to approaches and algorithms

Most large-scale commercial and social websites recommend options, such
as products or people to connect with, to users. Recommendation engines sort
through massive amounts of data to identify potential user preferences. This
article, the first in a two-part series, explains the ideas behind
recommendation systems and introduces you to the algorithms that power them.
In Part 2, learn about some open source recommendation engines you can put to
work.


Original URL: http://www.ibm.com/developerworks/opensource/library/os-recommender1/index.html?ca=drs-

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Recommender systems, Part 2: Introducing open source engines

Part 1 of this series introduces the basic approaches and algorithms for
the construction of recommendation engines. This concluding installment
explores some open source solutions for building recommendation systems and
demonstrates the use of two of them. The author also shows how to develop a
simple clustering application in Ruby and apply it to sample data.


Original URL: http://www.ibm.com/developerworks/opensource/library/os-recommender2/index.html?ca=drs-

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Apache OpenOffice, the Schrodinger’s Application: No One Knows If It’s Dead or Alive, No One Really Wants To Look Inside

British IT news outlet The Register looks at the myriad of challenges Apache OpenOffice faces today. From the report: Last year Brett Porter, then chairman of the Apache Software Foundation, contemplated whether a proposed official blog post on the state of Apache OpenOffice (AOO) might discourage people from downloading the software due to lack of activity in the project. No such post from the software’s developers surfaced. The languid pace of development at AOO, though, has been an issue since 2011 after Oracle (then patron of the project) got into a fork-fight with The Document Foundation, which created LibreOffice from the OpenOffice codebase, and asked developers backing the split to resign. Back in 2015, Red Hat developer Christian Schaller called OpenOffice “all but dead.” Assertions to that effect have continued since, alongside claims to the contrary. Almost a year ago, Jim Jagielski, a member of the Apache OpenOffice Project Management


Original URL: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/SU6jT9pU_LM/apache-openoffice-the-schrodingers-application-no-one-knows-if-its-dead-or-alive-no-one-really-wants-to-look-inside

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LibreOffice 6.1 Released

The Document Foundation said on Wednesday it is releasing LibreOffice 6.1, the latest major update to its productivity suite. It is available to download for Linux, Windows, and macOS platforms. The new version offers, among other features, Colibre, a new icon theme for Windows based on Microsoft’s icon design guidelines, which it says, makes the office suite visually appealing for users coming from the Microsoft environment. The Document Foundation also reworked the image handling feature on LibreOffice to make it “significantly faster and smoother thanks to a new graphic manager and an improved image lifecycle, with some advantages also when loading documents in Microsoft proprietary formats.” Other new features and changes include: The reorganization of Draw menus with the addition of a new Page menu, for better UX consistency across the different modules. A major improvement for Base, only available in experimental mode: the old HSQLDB database engine has been


Original URL: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/HUPkjVZ-h60/libreoffice-61-released

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NetBSD 8.0 Released

Slashdot reader fisted quotes NetBSD.org: The NetBSD Project is pleased to announce NetBSD 8.0, the sixteenth major release of the NetBSD operating system. This release brings stability improvements, hundreds of bug fixes, and many new features. Some highlights of the NetBSD 8.0 release are:
— USB stack rework, USB3 support added.
— In-kernel audio mixer (audio_system(9)).
— Reproducible builds
— PaX MPROTECT (W^X) memory protection enforced by default
— PaX ASLR enabled by default
— Position independent executables by default[…] NetBSD is free. All of the code is under non-restrictive licenses, and may be used without paying royalties to anyone.

Read more of this story at Slashdot.


Original URL: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/9MzV-QRGr0k/netbsd-80-released

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Introduction to Android development

Android is a popular computing platform based on the Linux operating
system. The initial commercial version of Android hit the market in 2008 in
the form of a mobile phone platform, back when the most popular cell phone for
a business user was the BlackBerry, when the iPhone was beginning to make
meaningful waves across all sectors, and when the majority of phone users were
still tapping out texts from a flip phone.


Original URL: http://www.ibm.com/developerworks/opensource/library/os-android-devel/index.html?ca=drs-

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Make your websites smarter with Schema.org, Part 4: Structured data tools

Using Schema.org to describe the content on your webpages enables search
engines and machines to more easily find and index your pages. There are a
number of tools that you can use to implement structured data on your pages.
In the final part of this series, we’ll look at examples of tools that help
you add structured data to plain HTML, validate the structured data on your
page, and parse the structured data from a page.


Original URL: http://www.ibm.com/developerworks/opensource/library/wa-schemaorg4/index.html?ca=drs-

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Make your websites smarter with Schema.org, Part 3: Understand and use the Schema.org vocabularies

When you use Schema.org vocabularies and metadata to
describe your content, it makes the content more useful and findable to
search engines. In part 3 of this series, I introduce you to the vocabularies
used in Schema.org and give you the tools to use them yourself.


Original URL: http://www.ibm.com/developerworks/opensource/library/wa-schemaorg3/index.html?ca=drs-

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LibreOffice 6.0 Released: Features Superior Microsoft Office Interoperability, OpenPGP Support

prisoninmate writes: LibreOffice 6.0 comes two and a half years after the LibreOffice 5.x series, and it’s the biggest release of the open-source and cross-platform office suite so far. It introduces a revamped design with new table styles, improved Notebookbars, new gradients, new Elementary icons, menu and toolbar improvements, and updated motif/splash screen. LibreOffice 6.0 offers superior interoperability with Microsoft Office documents and compatibility with the EPUB3 format by allowing users to export ODT files to EPUB3. It also lets you import your AbiWord, Microsoft Publisher, PageMaker, and QuarkXPress documents and templates thanks to the implementation of a set of new open-source libraries contributed by the Document Liberation project. Many great improvements were made to the OOXML and ODF filters, as well as in the EMF+, Adobe Freehand, Microsoft Visio, Adobe Pagemaker, FictionBook, Apple Keynote, Pages, and Numbers, as well as Quattro Pro import functionality, and to the XHTML export.


Original URL: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/5eVJ2nwanEA/libreoffice-60-released-features-superior-microsoft-office-interoperability-openpgp-support

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