Electronic documents can contain content such as text, spreadsheets, diagrams, and images. Electronic documents can be the subject of a variety of activities, many of them performed by multiple people. These can include, for example: authoring/editing a document, viewing/reading a document, commenting on portions of a document, citing to portions of a document or incorporating them in other documents, etc.
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This summary is not intended to identify key factors or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
A facility for annotating portions of a document shown in a visual representation of the document with annotations reflecting aggregated document activities performed with respect to the portions is described. In some embodiments, the facility specifies a visual representation of at least part of the document. For each of at least two portions of the document that are not identical and that are represented in the specified visual representation, the facility attaches to locations in the document's visual representation corresponding to the portion a visual annotation reflecting an aggregation operation against document activities performed with respect to the portion.
The inventors have observed that conventional approaches to visualizing activity performed with respect to a document are extremely limited. For example, some word processing applications allow their users to display revisions made to a document since the document's creation—or since some other predetermined point in time—by showing inserted characters in underlined format, and by showing deleted characters in strike-through format.
The inventors have recognized that more effective approaches to visualizing a wide variety of types of activity performed with respect to a document would have significant utility. Accordingly, they have conceived and reduced to practice a software and/or hardware facility for generating flexible, powerful aggregate visualizations of activities performed with respect to portions of electronic documents (“the facility”).
In various embodiments, the facility generates visualizations that add to a visual representation of a document annotations reflecting certain kinds of aggregated activity by some or all users with respect to portions of the document.
In various embodiments, the annotations added by the facility relate to a variety of activities performed with respect to positions in the document, including, for example, authoring and/or editing, being surfaced in a search query, viewing and/or reading, commenting and/or discussing, citation, incorporating content in other documents, setting of a completion state, setting of a business impact level, setting of a sensitivity level, setting of security restrictions, occurrence of security events, etc.
In some embodiments, the activities reflected in annotations added by the facility are limited by one or more dates and times, such as to those activities performed after a starting date and time, and/or those performed before an ending date and time. In various embodiments, the annotations added by the facility are products of various forms of aggregation. For example, in some embodiments, annotations are added by the facility that reflect the total number of actions taken with respect to different positions in the document during the effective time period—i.e., a count aggregation; in some embodiments, annotations reflect the frequency with which actions are taken during the effective time period; in some embodiments, annotations reflect the recency with which actions have been taken during the effective time period; etc.
In some embodiments, the annotations added by the facility relate to particular people and/or groups of people. For example, in some embodiments, the annotations added can be limited to activities performed by a particular person, or by people in a particular group of people; in some embodiments, the annotations added separately reflect activities performed by different people, or by people in different groups of people.
In various embodiments, the facility uses various kinds of representations of the document, including, for example, a copy of the document containing the document's full contents and mirroring the document's formatting; a copy of the document containing the document's full contents but being formatted differently from the document, such as to accommodate the annotations added by the facility; an outline of the document; a summary of the document; a skeleton of the document; etc.
In various embodiments, annotations added to the document representation characterize activities visually, such as representing different degrees of activities with different colors, patterns, or the dimensions or areas of displayed shapes; representing different kinds of activities with different colors or patterns; representing the activities of different people or groups of people with different colors or patterns; showing activity versus time graphs (“spark lines”); showing numerical values; etc.
In various embodiments, the facility adds annotations to the document representation in various positions, including, for example, in the document representation's margin; in a scrollbar for scrolling the document representation; in a pop-up window triggered by user interactions such as hovering a mouse cursor or directing a human gaze; within the content of the document representation; etc.
In various embodiments, these indications take various forms, including, for example, painting segments of the height of the scrollbar with different colors or patterns relating to activities performed with respect to corresponding positions within the representation; directly painting the content of the document representation with different colors or patterns relating to activities performed with respect to that content; adding to the margin shapes whose presence, colors, patterns, dimensions, or areas relate to the content beside them, or columns of such shapes that each correspond to a different activity, person or group of people, aggregation type; etc.
In various embodiments, the facility adds the annotations at various levels of granularity, including, for example, for each character, word, line, paragraph, document section, separately-stored document fragment, or arbitrary document span. In some embodiments, the facility automatically shifts between different granularities based upon factors such as the size of the document, the area in which the document representation is being displayed, the zoom level at which the document representation is being displayed, the scroll position of the document representation's display, etc.
In various embodiments, the facility provides various user interfaces enabling the user to select aspects of the annotations added by the facility. In some embodiments, the facility automatically selects aspects of the annotations added by the facility based upon a variety of factors.
By performing in some or all of the ways described above, the facility provides a flexible, rich tool for exploring actions taken within a document, enabling its users in many cases to better understand and/or usefully revise, reorganize, recommend, promote, etc., the document.
In some embodiments, the facility annotates representations of documents stored using a construct called a “document fragment,” or simply “fragment,” which is a unit of document content stored separately by the facility, and easily shared between multiple documents. The document is comprised of a single “root fragment,” which can directly contain content, as well as containing fragment references referring to other fragments. Those fragments referred to by the root fragment can themselves directly contain content and fragment references to other fragments, and so on. When a document is opened, the facility typically collects and synthesizes its contents by retrieving the root fragment, retrieving other fragments referred to by fragment references in the root fragment, retrieving further fragments referred to by fragment references in those fragments, and so on. In some embodiments, any fragment can be treated as a document, in the sense that it can be opened by an editing or presentation application as the root fragment. In some such embodiments, the facility annotates representations of these documents at the fragment level.
In some embodiments, the facility stores the fragments making up users' documents in a cloud-based service, where they can be accessed from virtually any location. In some embodiments, this cloud-based service uses a technique called “erasure coding” in which it decomposes, or “shreds,” a fragment defined by a document author into multiple smaller constituent pieces, or “shreds,” each of which the facility stores on multiple storage devices in different data centers in different geographic locations to provide disaster and outage survivability. When the cloud-based service receives a request for a fragment, it retrieves and combines these shreds to reconstitute the fragment.
In some embodiments, the facility stores a new version of a fragment to reflect each editing action performed on the fragment, each identified by the date and time at which the editing action was performed. For example, in some embodiments, the facility creates a new fragment version for each character or group of characters that is inserted in the fragment—such as by a keystroke or a text block paste—and for each character or group of characters that is deleted—such as by a backspace keypress or a select-and-delete operation. In some embodiments, each fragment version identifies the author that took the editing action reflected by the fragment version. In some embodiments, after being written, these fragment versions cannot be altered, and are said to be “immutable.”
In some embodiments, over time, the facility deletes some of the versions of a fragment, so as to collapse two or more editing actions into an undeleted version of the fragment. In some embodiments, in doing so, the facility deletes only contiguous fragment versions all reflecting editing actions by the same author and immediately preceding an undeleted fragment version also reflecting an editing action by the same author.
In some embodiments, where the content is incorporated from a fragment-aware source document, the facility ensures that the incorporated content corresponds precisely to one or more whole fragments; that is, where the selected content spans only a portion of a fragment in the source document, the facility breaks that fragment in the source document into two fragments, a first that contains only the content from the original fragment that was selected, a second containing the content from the original fragment that was not selected, so that the first can be incorporated into the target document while the second is not. Where the content is incorporated from a fragment-unaware source document, the facility creates a new fragment to contain the incorporated content.
In response to the incorporation operation, the facility creates a fragment reference in the target document at the position in the target document where the content was incorporated to represent the incorporated content in the target document. In some embodiments, the fragment reference contains multiple components, such as a current fragment ID component and/or an original component. The current fragment ID component of the created fragment reference identifies the fragment to which the reference refers, such as by containing a fragment ID for this fragment that can be used to retrieve this fragment. The origin component, where used by the facility, maintains in the fragment reference state the fragment ID of the fragment in which the incorporated content originated, which can serve as a basis for changing the mode in which the incorporated content is used in the target document throughout the life of the fragment reference, and for tracking the provenance of the fragment. In some embodiments, the facility stores an ordered list of fragment IDs in the origin component to reflect the series of fragments from which the referenced fragment has been forked.
In various embodiments, at the time the user performs the incorporation operation, the user can specify an initial mode for the incorporated content in the target document by, for example, holding down a certain keyboard key during the drag interaction, using a varying control key combination to paste the incorporated content into the target document, responding to a context menu or dialog displayed by the facility in response to the incorporation operation, etc. In some embodiments, each mode has two characteristics: (1) whether the contents of the fragment are editable in the context of the incorporating document or fragment (“editable in context”) and (2) how a version of the referenced fragment is chosen for inclusion in the incorporating document or fragment (“version selection”). In some embodiments, the following kinds of version selection options are available: (a) “latest”—the version of the fragment with the most recent time is incorporated by the reference; (b) “time-specified”—a particular version of the fragment associated with a particular time is incorporated by the reference (e.g., in some embodiments, an arbitrarily specified time causes selection of the fragment version whose time is the latest among the fragments that are not later than the specified time); (c) “special”—special rules are used to specify which version of the fragment is selected for incorporation. Examples of special rules are the latest document approved by a qualified approval authority, or the earliest version embodying an edit by a particular author.
In various embodiments, the facility supports some or all of the following incorporation modes: live mode, follow mode, forkable mode, pinned mode, special forkable mode, and special follow mode.
Live mode (1) is editable in context and (2) uses “latest” version selection. Thus, in live mode, an author can change the content of the fragment, which results in a new version of the fragment being created to reflect each such change. These changes will appear in any other containing fragments that incorporate the same fragment, and whose version selection option ends up selecting this version, either (a) latest, or (b) special with a selection rule that selects this version. Live mode is typically used for a reference included to both revise the referenced fragment, and reflect the revisions of others. By virtue of using the latest version selection option, a reference in live mode incorporates the latest version of the fragment, no matter its content or which authors' revision it reflects. Where live mode is selected, the facility populates a current fragment ID component of the fragment reference with the same fragment ID as the origin component. The current component of the fragment reference identifies the fragment whose contents are to be retrieved for inclusion in the target document.
Follow mode (1) is not editable in context, and (2) uses latest version selection. In follow mode, the latest version of the fragment is always incorporated, but can't be edited in the context of the document or fragment containing the follow mode reference. Follow mode is typically used to incorporated dynamic content maintained by one or more other authors, in a centralized manner.
Forkable mode (1) is editable in context, and (2) uses time-specified version selection. In forkable mode, the fragment can be edited in the context of the reference from the fragment's state at the specified time. Performing such an edit transforms the reference from forkable mode to live mode; reflects the edit in the first version of a new fragment ID; stores the new fragment ID in the context of the reference; and stores the original fragment ID in the reference's origin component. Forkable mode is typically used where a particular state of a fragment is to be the basis for a new set of edits that won't affect documents or fragments incorporating the original fragment. Similarly, the forkable and resulting live reference aren't affected by edits to the original fragment subsequent to the forkable reference version selection time.
Pinned mode (1) is not editable in context, and (2) uses time-specified version selection. While the fragment reference is in pinned mode, the version of the content incorporated in the referring document cannot be changed, either by a user editing the document or fragment containing the pinned reference (because not editable in context precludes editing by such an author), or by a user editing the fragment in the context of a different containing document or fragment (because such edits will be reflected in a new version of the fragment, which will not be selected by the time-specified selection logic of this reference). Where pinned mode is selected, the facility populates the current component of the fragment reference with the fragment ID of the origin fragment. Pinned mode is typically used to preserve a particular state of the fragment in the referring document.
Special forkable mode (1) is editable in context, and (2) specifies a special version selection rule. The incorporated fragment will, at any given time, show the content of the version of the source fragment that is selected by the special version selection rule at the time. When an author edits the fragment in context, the forking process described above occurs. Special forkable mode can be used, for example, to use an evolving template whose edits are subject to periodic approval as a basis for creating instances of new content.
Special follow mode (1) is not editable in context, and (2) specifies a special version selection rule. Thus, a special follow reference shows the version of the fragment that satisfies the version selection rule at any given time, which is not editable in context. This mode can be used, for example, to pull into a document or fragment centrally-authored content that is periodically rereleased by its authors to reflect all edits occurring since the last release.
A user may at any subsequent time change the mode of the incorporated content via various user interface techniques, such as by right-clicking on the incorporated content and selecting an item from a resulting context menu, selecting incorporated content and choosing a menu-bar menu item, interacting with a specialized control that is displayed when the mouse cursor hovers over the incorporated content, etc. In some embodiments, the facility incorporates or interoperates with a system of authority and access controls and other content governance measures limit the actions that can be taken by a particular user with respect to a particular document or fragment in various circumstances, including changing the mode of an existing fragment reference.
While various embodiments are described in terms of the environment described above, those skilled in the art will appreciate that the facility may be implemented in a variety of other environments including a single, monolithic computer system, as well as various other combinations of computer systems or similar devices connected in various ways. In various embodiments, a variety of computing systems or other different devices may be used as clients, including desktop computer systems, laptop computer systems, automobile computer systems, tablet computer systems, smart phones, personal digital assistants, televisions, cameras, etc.
Those skilled in the art will appreciate that the acts shown in
While
In some embodiments (not shown) instead of or in addition to recording individual indications of activities as depicted in
In some embodiments (not shown), instead of or in addition to the processing depicted in
In act 502, the facility receives user selections via the user interface presented in act 501 or via associated interfaces. In act 503, the facility retrieves activity information useful to generate the annotations specified by the user selections received in act 502. For example, in some embodiments, where the received user selections specify annotations relating to the authoring of the document having document ID 56465988 between Nov. 1, 2015 and Nov. 30, 2015, the facility would retrieve rows of the document activity table including row 401.
In act 504, the facility aggregates the activity information retrieved in step 503 to provide a basis for the specified annotations. For example, where the received user selections specify a frequency aggregation function, the facility sums the number of qualifying activities performed with respect to each portion of the document, then divides each sum by the length of the relevant time period, such as a time period specified by the user.
In act 505, the facility displays annotations in the document representation that are based on the aggregation results produced in act 504. Examples showing the display of such annotations by the facility in some embodiments are shown in
In particular, the facility has attached an in-content annotation 731 to the “Meats” section of the document that, according to the legend 720, reflects that, during the specified time period, this section of the document was surfaced in searches at an intermediate frequency. The facility has also attached an in-content annotation 732 to the “Vegetables” section of the document that reflects that, during the specified time period, the section of the document was surfaced in searches at a high frequency. While
The facility has also included in scrollbar 740 corresponding annotations for the entire length of the document. In particular, in the scrollbar, one can see an annotation 751 corresponding to an annotation 731 of the “Meats” section; an annotation 752 corresponding to annotation 732 of the “Vegetables” section which extends below the elevator portion 741 of the scrollbar that corresponds to the presently-displayed page of the document representation; as well as two additional scrollbar annotation 753 and 754 that correspond to in-content annotations that would be visible if the user scrolled down in the document representation to display the annotated sections.
The facility has attached an in-content annotation 931 to the first paragraph of the document that reflects that, over the life of the document, this paragraph has been authored or edited at an intermediate level of recency. The facility has attached an in-content annotation 932 to the second paragraph of the document that reflects that this paragraph has been authored or edited at a high level of recency, i.e., relatively recently. The facility has attached an in-content annotation 933 to the third paragraph of the document that reflects that this paragraph has been authored or edited at a low level of recency, i.e., relatively long ago. In a manner similar to
The facility has attached margin annotations that distinguish between the reading and commenting activities, that are applied at a paragraph granularity level. In particular, in column 1170, the facility has attached margin annotations for the reading activity, while in column 1180, the facility has attached margin annotations for the commenting activity. It can be seen from these margin annotations that the first paragraph 1161 has been read at an intermediate frequency, and commented upon at a low frequency; that the second paragraph 1162 has been read at a high frequency, and commented on at an intermediate frequency; and that the third paragraph 1163 has been read at a low frequency, and commented upon at an intermediate frequency. In some embodiments, the facility recognizes a “reading drop-off point” occurring between the second and third paragraphs—where many people read a document from the beginning, but stop reading the document before the end. In some embodiments (not shown), the facility displays an annotation identifying drop-off points that it detects, such as by, for example, including a red horizontal line between the second and third paragraphs, adding a box containing the text “drop-off point” near a point between the second and third paragraphs having an arrow pointing to the space between the second and third paragraphs, or the top of the third paragraph, etc. While
The facility has attached margin annotations that distinguish between sales, marketing, and safety groups of users, and that merge the reading and commenting activities. In particular, in column 1370, the facility has attached margin annotations for the sales group, while in column 1380, the facility has attached margin annotations for the marketing group, and in column 1390, the facility has attached margin annotations for the safety group. It can be seen from these margin annotations that the first paragraph has been read and commented upon at intermediate frequencies by all three of the groups; that the second paragraph has been read and commented on at intermediate frequencies by the sales and marketing groups, and at a low frequency by the safety group; and that the third paragraph has been read and commented upon at a low frequency by the sales and marketing groups, and at a high frequency by the safety group.
In some embodiments, the facility provides a computing system, comprising: a processor; and a memory having contents that, when executed by the processor: generate a visual representation of at least part of a document; and, for each of one or more portions of the document each represented in the generated visual representation: determine an aggregation of document activities performed with respect to the portion of the document by at least one user, and cause to be included in the generated visual representation, at a location proximate to a portion of the generated visual representation corresponding to the portion of the document, an annotation that reflects the determined aggregation.
In some embodiments, the facility provides a method, comprising: generating a visual representation of at least part of a document; and, for each of one or more portions of the document each represented in the generated visual representation: determining an aggregation of document activities performed with respect to the portion of the document by at least one user, and causing to be included in the generated visual representation, at a location proximate to a portion of the generated visual representation corresponding to the portion of the document, an annotation that reflects the determined aggregation.
In some embodiments, the facility provides a computer-readable medium having contents configured to cause a computing system to: generate a visual representation of at least part of a document; and, for each of one or more portions of the document each represented in the generated visual representation: determine an aggregation of document activities performed with respect to the portion of the document by at least one user, and cause to be included in the generated visual representation, at a location proximate to a portion of the generated visual representation corresponding to the portion of the document, an annotation that reflects the determined aggregation.
In some embodiments, the facility provides a memory having contents configured to cause a computing system to: retrieve contents of a document; use the retrieved contents to specify a visual representation of at least part of the document; and for each of at least two portions of the document that are not identical and that are represented in the specified visual representation, attaching to locations in the document's visual representation corresponding to the portion a visual annotation reflecting an aggregation operation against document activities performed with respect to the portion.
In some embodiments, the facility provides a method, comprising: retrieving contents of a document; using the retrieved contents to specify a visual representation of at least part of the document; and for each of at least two portions of the document that are not identical and that are represented in the specified visual representation, attaching to locations in the document's visual representation corresponding to the portion a visual annotation reflecting an aggregation operation against document activities performed with respect to the portion.
In some embodiments, the facility provides a method in a computing system, the method comprising: retrieving contents of a document; using the retrieved contents to cause to be displayed a visual representation of at least part of the document; and for each of at least two portions of the document that are not identical and that are represented in the displayed visual representation, causing to be displayed in connection with locations in the document's visual representation corresponding to the portion a visual annotation to the document's visual representation reflecting an aggregation operation against document activities performed with respect to the portion.
In some embodiments, the facility provides a computer-readable medium having contents configured to cause a computing system to: retrieve contents of a document; use the retrieved contents to cause to be displayed a visual representation of at least part of the document; and for each of at least two portions of the document that are not identical and that are represented in the displayed visual representation, cause to be displayed in connection with locations in the document's visual representation corresponding to the portion a visual annotation to the document's visual representation reflecting an aggregation operation against document activities performed with respect to the portion.
It will be appreciated by those skilled in the art that the above-described facility may be straightforwardly adapted or extended in various ways. While the foregoing description makes reference to particular embodiments, the scope of the invention is defined solely by the claims that follow and the elements recited therein.
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