Mementos

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Memento (HTTP)

[7] Memento framework は、資源の過去の状態を取得するための HTTP の機能群です。

仕様書

プロトコル

[13] 次の概念が定義されています。

[12] 次のHTTPヘッダーを定義または利用しています。

[14] 次のリンク関係型を定義しています。

Memento (一般名詞)

[5] Original Resource の Memento は、 Original Resource の以前の状態をカプセル化した資源です >>4。

[6] ある時刻に存在した Original Resource の Memento とは、 Original Resource のその時刻の状態をカプセル化した資源です >>4。

[8] http://www.ietf.org/ の Memento の例 >>9:

[10] http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol の Memento の例 >>9:

[11] http://www.w3.org/TR/webarch/ の Memento の例 >>9:

実装

[1] Wayback Machine APIs | Internet Archive ( ( 版)) https://archive.org/help/wayback_api.php

[15] RFC 7089 - HTTP Framework for Time-Based Access to Resource States -- Memento ( ( 版)) http://tools.ietf.org/html/rfc7089#section-2.2.4

[16] Internet Archive でアーカイブされている過去の Webサイトの各ページにも Memento の Link: ヘッダーや Memento-Datetime: ヘッダーが追加されているようです。

[17] Memento update ( (Herbert Van de Sompel著, )) https://lists.w3.org/Archives/Public/public-lod/2010Mar/0169.html

[18] Memento compliant DBpedia Archive with Triple Pattern Fragments support ( (Herbert Van de Sompel著, )) https://lists.w3.org/Archives/Public/public-lod/2016Jun/0000.html

[19] Memento at the W3C | W3C Blog () https://www.w3.org/blog/2016/08/memento-at-the-w3c/

[20] Data on the Web Best Practices () https://www.w3.org/TR/2017/REC-dwbp-20170131/#VersioningInfo

Use Memento [RFC7089], or components thereof, to express temporal versioning of a dataset and to access the version that was operational at a given datetime. The Memento protocol aligns closely with the approach for assigning URIs to versions that is used for W3C specifications, described below.

[21] Web Annotation Data Model () https://w3c.github.io/web-annotation/model/wd2/#time-state

A Time State resource records the time at which the resource is appropriate for the Annotation, typically the time that the Annotation was created and/or a link to a persistent copy of the current version. The timestamp for the resource could be resolved via the Memento protocol, described in RFC 7089 [rfc7089].

[22] Selectors and States () https://w3c.github.io/web-annotation/selector-note/#h-timestate_def

A Time State resource records the time at which the resource is when the intended selection occurs, typically the time that the resource was created and/or a link to a persistent copy of the current version. The timestamp for the resource could be resolved via the Memento protocol, described in RFC 7089 [rfc7089].

[23] archive.is () http://mementoweb.org/depot/native/archiveis/

[24] Web Science and Digital Libraries Research Group: 2013-07-15: Wayback Machine Upgrades Memento Support () https://ws-dl.blogspot.com/2013/07/2013-07-15-wayback-machine-upgrades.html

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