JData Specification - Draft-1

JData: A general-purpose data annotation and interchange format

• Status of this document: This document is current under development.
• Copyright: (C) Qianqian Fang (2011, 2015, 2019) <q.fang at neu.edu>
• License: Apache License, Version 2.0
• Version: 0.6 (Draft 1)

ChangeLog

2019-06-12 [fbc2ec9] Merge branch 'Draft_1' of https://github.com/fangq/jdata
2019-06-12 [e4836e8] update sample script outputs
2019-06-12 [2d93802] shorten keywords form ArrayCompression to ArrayZip
2019-06-12 [dc98eeb] show example of data compression, complete ubjson debug output
2019-06-11 [8ef08e3] merge Draft_1 with master to correct UBJSON format bug and add samples
2019-06-11 [c55452d] add debug output to understand the binary jdata output
2019-06-11 [a83dd0f] add matlab demo script and small samples on basic features
2019-06-08 [0145358] Fix the extra UBJSON optimized header field
2019-06-04 [5b16687] fix typo in the README
2019-06-04 [8725b85] remove extra commas
2019-06-04 [341be6e] update RFC links in README
2019-06-04 [b6c029d] update RFC links in README
2019-06-04 [f8fc8f1] Draft 1 (v0.6) - Request for Comments
2019-06-04 [d075c19] prepare for RFC commit
2019-06-04 [a64dd18] Add missing keywords in the summary
2019-06-04 [c29df5e] update README for Draft 1 RFC link
2019-06-04 [cf54ba0] Bump version number to 0.6, name it as Draft 1
2019-06-04 [1b6eba8] Add link to UBJSON [H] marker format
2019-06-04 [9eff439] Fix typos in the byte-stream section
2019-06-04 [91e2d4a] Fix the TOC level for Byte-stream section
2019-06-04 [f4f574a] Support generic byte-stream data via ByteStream
2019-06-04 [6caf0c1] Support weighted graphs in both GraphEdges and GraphMatrix
2019-06-04 [6f2b644] Major change N-D array serialization uses row-major instead of column-major
2019-05-31 [3c922f2] Add optional ArrayCompressionLevel and ArrayCompressionOptions flags
2019-05-31 [27e539c] ArrayData as 2D array grouping indices; ArrayIsComplex/ArrayIsSparse must be logical
2019-05-23 [1fde391] Minor language update
2019-05-23 [e3bba42] Remove incorrect enclosing square brackets in modified UBJSON array header, clarify infinity handling
2019-05-21 [3fc4385] Minor wording change in the Maps section
2019-05-21 [30a2dd3] Minor example changes
2019-05-21 [3e851a8] Update toc for Maps section
2019-05-21 [764dd65] Support non-string keyed hashes/maps
2019-05-15 [3eaaa40] add rfc commit url in the README
2019-05-15 [52e96b0] bump version number to v0.5, ready for public comments
2019-05-15 [0fcfe98] fix isometric transform example, old example was problematic as 1st dim was singlet
2019-05-15 [c915010] Plus sign in +inf can be omitted
2019-05-15 [31b3ef9] Minor format change
2019-05-15 [0bb3969] fine tune language for UBJSON array header format
2019-05-15 [b9314ac] Clarify extended UBJSON array header syntax
2019-05-14 [a37c625] Add data links and anchors in the keyword summary
2019-05-14 [e598599] Add the missing closing underscores
2019-05-14 [ce74db1] merge with typo corrected version
2019-05-14 [8b4651f] minior format updates
2019-05-14 [0cc07e4] Remove the pull-request tutorial link created for another project
2019-05-13 [51b4b13] Fix typos in README
2019-05-13 [a9b923f] Fix typos using autocorrect
2019-05-13 [c766e88] add README and license file
2019-05-13 [2a7cb29] update toc, add compression endianness
2019-05-13 [05787d8] add data link, conversion, and toc, very first complete draft
2019-05-10 [b3c4531] support struct, tables, graphs, add summary, add index and query interfaces
2019-05-10 [07638da] complete ND array, tree and linked list
2019-05-09 [42fd8c8] complete the data annotation keywords and definitions of metadata
2019-05-07 [aa5d8fa] define data models using both topological names and semantic names
2019-05-07 [3365b37] remove .wiki file, use .md file for the rest of the development
2018-10-10 [5f4cf09] Add Markdown version of the file
2018-06-10 [237ebe6] Update JData.wiki
2015-01-15 [63ae46f] http://iso2mesh.sourceforge.net/cgi-bin/index.cgi?action=browse&id=jsonlab/Doc/JData&revision=7.0
2015-01-14 [d4f940f] http://iso2mesh.sourceforge.net/cgi-bin/index.cgi?action=browse&id=jsonlab/Doc/JData&revision=6
2015-01-11 [c0711ec] http://iso2mesh.sourceforge.net/cgi-bin/index.cgi?action=browse&id=jsonlab/Doc/JData&revision=5
2015-01-11 [6502b43] http://iso2mesh.sourceforge.net/cgi-bin/index.cgi?action=browse&id=jsonlab/Doc/JData&revision=4
2015-01-11 [b5f9b4e] http://iso2mesh.sourceforge.net/cgi-bin/index.cgi?action=browse&id=jsonlab/Doc/JData&revision=3
2015-01-10 [6490476] http://iso2mesh.sourceforge.net/cgi-bin/index.cgi?action=browse&id=jsonlab/Doc/JData&revision=2
2015-01-10 [62766f1] http://iso2mesh.sourceforge.net/cgi-bin/index.cgi?action=browse&id=jsonlab/Doc/JData&revision=1