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The Data View

Introduction

After clicking on the Data area in the VocBench Sections Manu, the user lands on any of the various Data View pages. All of the data pages are composed of two main areas: the structure on the left, and the resource view on the right.

For instance, the structure section for the Class Page is composed of a Class Widget and an Instance Widget. The first one shows the tree of Classes in the current project, while the latter shows the list of instances for the class selected on the Class Widget.

classPanel

The Data Structure View

All structure areas in the Data View have two buttons in common (upper-right part of the structure area).

The Rendering Button activates the rendering for the resources shown in the structure. By default, the rendering is deactivated for OWL entities and activated for SKOS ones.

The Refresh Button allows the user to refresh the view on the structure. Usually structures are kept aligned with changes occurring from any operation. However, it might happen that certain actions cannot be intercepted in all of their outcomes (e.g. a massive inclusion of data); in these case normally a refresh is automatically invoked, though a manual button is included for all those cases which cannot be foreseen by the system.

A gear button , present on the top-right most part of the data structure view, allows to choose various options that are used globally for all structures. Currently, the only one available is for toggling the visualization of deprecated resources.

Other buttons may appear depending on the specific data structure being viewed (see later for more details)

The Resource View

The resource-view is a general widget for showing the details of different kind of resources. The resource-view is adaptive wrt the shown resource. So, in the case of classes, class axioms will be highlighted, in the case of properties, the different facets of the property (i.e. OWL types denoting further characteristic of the property) will be shown in a dedicated area, and so on for each major type of resource defined in the RDFS, OWL, SKOS and SKOS-XL vocabularies.

Everytime a new resource is being inspected, a new tab on the resource-view will be opened on the resource, while keeping the history of opened tabs.

classPanel

A click on the X symbol available after the last tab will kill all open tabs but the selected one.

Operations available on the Resource View

Each of the partitions that compose the resource view (see figure below) shows a set of operations that are possible on it.

operations on the res view

There are three different class of areas providing operations:

Partition-level operations

Each partition may be responsible for a single property or for a set of properties, according to some logical grouping. Usually, when representing a single property (as it is the case of the "types" partition) the partition still accounts for all the subproperties (e.g. subproperties of rdf:type in this case) of the property associated to it.

The following actions are possible:

Any "add" action chosen from the partition, allows the user to choose the property from the set of properties associated to the partition and/or from their subproperties.

Property-level operations

After a value is being added for a certain property, that property is listed under its associated partition. The following actions are made available besides each shown property:

Any "add" action chosen from the actions besides each property, is restricted to use that property, and thus allows the user to only choose/create the value to be added.

Value-level operations

These operations are shown on a menu located on the rightmost part of the widgets showing the values associated to the viewed resource through certain properties. The actions associated to them depend on the nature of the value (resource or literal) and on the partition type.

Alignment to an External Resource

Resources in a VocBench project can be aligned to resources available in the same project or in other projects available on the same VocBench instance. Note that, in order to be inspectable, the other projects must have granted access to the project that the user is logged on.

The option for alignment is available from the general menu at the top-rightmost part of the resource-view, as shown in figure below

start the alignment

The use will then start the procedure for alignment...

add an alignment

it is then possible to inspect the target repository, looking for the candidate match (figure below)

add the alignment

After clicking on "ok", the matched resource is visible on the resource-view (figure below)

add the alignment

User Preferences for Visualization

Through the user menu - and only when a project is being accessed - it is possible to open the Preferences page.

classPanel

Currently, the most prominent preferences options cover:

Here below an image of a splitted class-view, showing both an individual and the class it belongs to:

classPanel

The Search Bar

Each section offers a search bar for finding resources in the dataset.

search strategy

Besides the "lens" symbol for searching, a quick option button allow to choose the strategy for search, among:

The gear button on the Search bar opens a further set of options:

search options

The following options are available:

Data View Pages

Depending on the dataset being edited (an OWL ontology or a SKOS thesaurus), two different set of views are availabile: