# AcrossX Profile

AcrossX Profile

## Profile Details

| Property | Value |
| --- | --- |
| **ID** | `https://w3id.org/xapi/acrossx` |
| **See Also** | http://xapi-cop.net/ |
| **Status** | draft |
| **Version** | v1.0.1 |

## Author

**xAPI Chinese Community of Practice**

## Concepts

### message

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/message`

Information that is communicated by or to or between individual actors or groups of actors.

### collaboration

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/collaboration`

The activity involving multiple actors working together on an assignment, a project, a problem-solving challenge or a cause.

### e-book

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/e-book`

A book in electronic form as a document, file, or interactive application with optional formatting and control features.

### face-to-face-discussion

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/face-to-face-discussion`

An exchange or communication on a topic by two or more actors in-person taking place in a physical location.

### instant-response-system

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/instant-response-system`

An activity that allows instructors to create slides with embedded quizzes/polling questions to collect responses and get reporting instantly during class.

### learning-plan

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/learning-plan`

Used to plan and organize learning activities from different activity providers. It could be built by instructors, learning designers or learners.

### note

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/note`

Refers to an object that was annotated as part of the activity.

### online-discussion

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/online-discussion`

An exchange or communication on a topic by two or more actors in-person taking place online or virtually.

### page

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/page`

The single representation of a specific page number and the content on that page in any digitally or physically written material.

### printed-assessment

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/printed-assessment`

A written examination or test provided in paper form, and intended to be completed using a pencil or pen.

### printed-book

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/printed-book`

A written work or composition that has been physically printed on paper pages bound together.

### printed-worksheet

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/printed-worksheet`

A page or group of pages containing problems, exercises, or instructions for learning activities.

### search-engine

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/search-engine`

A software program that searches a database and gathers and reports information that contains or is related to specified terms.

### video

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/video`

A recording of audible and visual content intended to be shown on a video display.

### webpage

**Type:** ActivityType

**ID:** `https://w3id.org/xapi/acrossx/activities/webpage`

A web document (usually HTML-based) accessible by anyone connected to the internet and by using a web browser.

### annotated

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/annotated`

Indicates the actor added a supplement to the content, highlight or mark.

### designed

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/designed`

Indicates the actor carefully planned or created the object for a specific purpose.

### disliked

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/disliked`

Indicates that the actor does not approve of the object or activity.

### edited

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/edited`

Indicates the actor added or modified the content in a document or object.

### evaluated

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/evaluated`

Indicates the actor formed an opinion or prepared to assess another actor or object.

### liked

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/liked`

Indicates that the actor approves of, recommends, or endorses the object or activity.

### posted

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/posted`

Used to describe the action of posting a discussion topic or message on a forum.

### reported

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/reported`

Indicates the actor announced the result of an experience or activity.

### revealed

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/revealed`

Indicates the actor exposed an object or content that's previously hidden.

### searched

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/searched`

Indicates the actor looked for information in an object.

### was-assigned

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/was-assigned`

Indicates the actor was given or required to access an object.

### watched

**Type:** Verb

**ID:** `https://w3id.org/xapi/acrossx/verbs/watched`

Indicates the actor observed a visual obect.

### alignment

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/alignment`

It's to indicate the node in a competency standard or knowledge graph the activity/content is aligned to, could be a string or a URL of the corresponding information page.

### anchor-text

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/anchor-text`

It's the text string associated with an internal or external link (to another book page or web page).

### blooms-level

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/blooms-level`

It's to indicate the Bloom's level the activity or content is aligned to.

### by-whom

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/by-whom`

It's to indicate who created/authored/presented the object.

### chapter

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/chapter`

It's to indicate the chapter this statement is related to, used for ebook in AcrossX.

### column

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/column`

It's to indicate the column number of a cell in a spreadsheet.

### feedback

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/feedback`

It's the feedback the Actor gets after answering a question, or feedback from teacher or peer.

### highlightedString

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/highlightedString`

It's a string highlighted by the Actor.

### pass-score

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/pass-score`

It's to indicate the required score to pass an assessment.

### row

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/row`

It's to indicate the row number of a cell in a spreadsheet.

### section

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/section`

It's to indicate the section this statement is related to, used for ebook in AcrossX.

### supplemental-info

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/supplemental-info`

It's the hint available for the Actor to answer a question, or supplemental information for an object.

### time-limit

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/time-limit`

It's to indicate the time constraint of an assessment object.

### total-items

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/total-items`

It's to indicate total items in an assessment object.

### total-pages

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/total-pages`

It's to indicate the total pages of a book or a slide-deck.

### total-score

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/total-score`

It's to indicate total score of an assessment object.

### type

**Type:** ActivityExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/type`

A category of people or things having common characteristics.

### mentionedagent

**Type:** ContextExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/mentionedagent`

It's to indicate an agent mentioned in a discussion, the value must be one type of Inverse Functional Identifier.

### school

**Type:** ContextExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/school`

It's to indicate an institution designed to provide learning spaces and learning environments for the teaching of students under the direction of teachers.

### rubrics

**Type:** ResultExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/rubrics`

It's the rubrics teachers use to evaluate Actor's performance or outcomes.

### starting-point

**Type:** ResultExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/starting-point`

The initial point from which the Actor begins an activity. For example, starting to play a video from a specific position in the video timeline. Goes along with Ending Point. Can be used with types of media and/or activities other than video.

### time

**Type:** ResultExtension

**ID:** `https://w3id.org/xapi/acrossx/extensions/time`

It's a value representing a position on a timeline of an activity, should be in ISO8601 format.

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*Generated from TLA Toolbox on 4/5/2026*