All Classes

Class	Description
AbstractPageSet	A base implementation of the page set that holds the basic necessary information about the page set.
Area	An area containing several visual boxes.
AreaConcatenator	A concatenator that can convert a list of areas to a text string.
AreaConnection	A relation connection between two content rectangles.
AreaConnectionProvider
AreaCreator
AreaGrid	A grid of areas in an abstract parent rectangle.
AreaListGridTopology	A grid topology on a generic list of areas.
AreaModelBuilder	Implements an RDF graph construction from an area tree.
AreaModelLoader	This class implements creating a RDFAreaTree from the RDF models.
AreaProcessor2
AreaStyle	This class represents the complete style of an area for further comparison.
AreaTextChunksSource	A text chunks source that extracts the tagged chunks only.
AreaTopology	This is an abstraction of a topology that represents the mutual positions of areas in an abstract space (e.g. in a parent area).
AreaTree	A tree of visual areas created from a box tree.
AreaTreeInfo
AreaTreeOperator	A generic procedure that processes the area tree.
AreaUtils	General purpose area analysis functions.
ArgumentTokenizer	Utility class which can tokenize a String into a list of String arguments, with behavior similar to parsing command line arguments to a program.
Artifact	An artifact created during the page processing.
ArtifactInfo	Basic information about an artifact that can be obtained from a repository without actually loading the whole artifact.
ArtifactRepository	A repository of available artifacts we are working with.
ArtifactService	A service that creates an artifact from another artifact.
ArtifactStreamOutput	Utility functions for dumping artifacts to an output stream in different formats.
Attribute
AverageColor
BaseArtifact	A common base class for artifact implementations.
BaseArtifactService	A base implementation of an artifact service.
BaseBoxTreeBuilder	This class implements building the box tree using the default FitLayout box nesting algorithms.
BaseOperator	A common base for our area operators.
BaseParameter	A common base of parameter specifications.
BaseParametrizedOperation
BaseService	A base implementation of a service.
BaseTagger	A base implementation of a tagger with no parametres.
BasicSegmProvider	An artifact service provider for transforming the box tree to the area tree.
Batch
BCSProvider
Border	A structure that describes a box border properties.
Border.Side	Border side specification
Border.Style	Border line style
BorderStroke	Stroke for drawing the CSS borders.
Box	This class represents a box in the rendered page tree.
BOX	Box Model Ontology.
Box.DisplayType	CSS Display Type
Box.Type	The type of the box.
BoxConcatenator	A concatenator that can convert a list of boxes to a text string.
BoxImpl
BoxImpl	A standard box implementation extended by additional properties necessary for building the resulting tree correctly.
BoxInfo
BoxList	A list of FitLayout boxes created from the backend output.
BoxListRenderer	A CSSBox renderer that produces a list of boxes.
BoxModelBuilder	Implements an RDF graph construction from a page box model.
BoxModelLoader	This class implements creating a RDFPage from the RDF models.
BoxNode	A node of a tree of visual blocks.
BoxText	A parto of text with connection to source boxes
BoxTransform	A transformation applied to a box according to the "transform" CSS property.
BoxTreeBuilder
Clear
Cli
CliCommand
CollapseAreasOperator	This operator collapses the areas having only one (leaf) child.
Color	An RGBA color.
CombinedTagger	A tagger that combines multiple taggers together (in the order of their preference).
Concatenator<T>	A concatenator that can convert a list of elements to a text string.
Concatenators	Pre-defined common concatenators for joining sequences of boxes and areas.
Concatenators.PlainAreaConcatenator	An area concatenator that simply concatenates the area text contents without any separators.
Concatenators.PlainBoxConcatenator	A box concatenator that simply concatenates the box text without any separators.
Concatenators.SeparatedAreaConcatenator	An area concatenator that concatenates the area text using a given separator.
Concatenators.SeparatedBoxConcatenator	A box concatenator that concatenates the box text using a given separator.
Config	Segmenation algorithm configuration.
Connection<T>	A generic connection between two objects with a given relation and a weight.
ConnectionSetArtifactService
ConnectionSetModelBuilder
ConnectionSetModelLoader
ContentImage	An image used as the box content.
ContentImageImpl
ContentLine	A sequence of areas representing the contents of a text line.
ContentObject	An object that may be contained in a Box.
ContentRect	A generic rectangular content within a page.
CSSBorder
CSSBoxTreeBuilder	This class implements building the box tree using the CSSBox rendering engine.
CSSBoxTreeProvider	A box tree provider implementation based on CSSBox
CSSTextStyle	Text style obtained from a CSS style definition.
ChunksCache	A cache of already created chunks depending on tags and hints.
ChunkSet	A set of text chunks extracted from a page.
ChunkSetInfo
ChunkSetModelBuilder
ChunkSetModelLoader
ChunksSource	An abstract base of a source of text chunks.
DateTagger
DefaultArea	Default generic Area implementation.
DefaultAreaTree	Default Page implementation.
DefaultArtifactRepository	Default simple in-memory implementation of an ArtifactRepository.
DefaultBox	Default generic box implementation.
DefaultContentImage
DefaultContentLine	A default ContentLine implementation using a simple ArrayList.
DefaultContentRect	A default ContentRect implementation which is not used in a tree.
DefaultGridTopology	The default topology that creates a grid of child areas within a parent area.
DefaultHint	A default no-op presentation hint.
DefaultChunkSet	A default chunk set implementation.
DefaultIRIDecoder	A default implementation of IRI decoder.
DefaultIRIFactory	A default FitLayout IRI factory.
DefaultLogicalArea	Default LogicalArea implementation.
DefaultLogicalAreaTree	Default implementation of the logical area tree.
DefaultPage	Default generic page implementation.
DefaultRelation	A default simple implementation of a relation.
DefaultTag	A default simple tag implementation.
DefaultTextChunk	A default text chunk implementation.
DefaultTreeContentRect<T extends GenericTreeNode<T>>	A default ContentRect implementation that is a tree node at the same time.
DefaultTreeNode<T extends GenericTreeNode<T>>	A generic tree node used as a base for the Box and Area implementation.
Dump
Dump.Format
Example	An example ocurrence of a property surface form conneted to a subject and predicate.
ExampleMatcher	Matches the generated examples as defined.
Export
Export.Format
FindLineOperator	Detects the basic lines in the area tree and joins the appropriate areas so that a line is the smallest visual area.
FixedTaggerConfig	A tagger config implementation based on a fixed map.
FL	FitLayout Core Ontology.
FlattenTreeOperator	This operator flattens the tree: only the root area and the leaf areas are preserved.
FLBoxTree
FLConfig	FitLayout configuration utilities.
GenericTreeNode<T extends GenericTreeNode<T>>	A generic tree node interface.
GraphicalOutput	A graphical output that allows to draws the blocks and separators into an image.
Graphics2DDisplay	An output display implementation that shows the areas on a Graphics2D device.
GroupAnalyzer	A general analyzer to find area groups
GroupAnalyzerByDOM	A group analyzer that groups together the areas that are created by the same DOM element.
GroupAnalyzerByStyles	This group analyzer tries to expand the selected box to all directions stopping on whitespace separators.
GroupByDOMOperator	Creates groups of areas that share the same source DOM node.
HintForceResolved	This hint forces the chunk source to accept only the chunk tags that are assigned by a given resolver.
HintInLine	This hint causes considering multiple subsequent lines to be treated as a single chunk source area.
HintMultiBox	This hint has the same meaning as HintWholeBox but it also considers multiple subsequent boxes.
HintSeparator	This hint tries to improve the recall of the tag occurrence discovery by applying some regular separators.
HintWholeBox	A hint that forces using the whole source box for the corresponding chunk even if only part of the box was detected as the chunk.
HomogeneousLeafOperator	This operator joins the homogeneous-style leaf nodes to larger artificial areas.
HTMLOutputOperator	This operator serializes the area tree to an HTML file.
ImageInfo
ImageOutput
ImageOutputDisplay
Import
InputFile
IntegerTagger
Invoke	A command-line interface to a generic artifact service invocation.
IRIDecoder	An IRI encoder / decoder.
IRIFactory
ListArtifacts
LoadArtifact
LocationsTagger	NER-based location name area tagger.
LogicalArea	Logical area represents a set of areas that form a single semantic entity.
LogicalAreaModelBuilder	TODO check the belongsTo relations and the assignment ot the LogicalAreaTree artifact
LogicalAreaModelLoader
LogicalAreaTree	A tree of logical areas.
MAPPING	Visual area to entity mapping ontology.
Metadata	A generic metadata definition.
MetadataDef	A generic metadata definition.
MetadataExampleGenerator	Implements extracting ocurrence examples from metadata.
MetadataExtractor	Functions for extracting RDF metadata from source objects.
MetadataChunksExtractor
MetadataTagManager	Creates and reads the metadata mapping tags in the given context (subgraph).
MetadataTextChunksProvider
MetaRefTag	A tag that describes the reference to a metadata entry.
ModelBuilder	A builder that can transform an artifact to a RDF model.
ModelBuilderBase	Common model builder methods.
ModelLoader	A loader that can load an artifact instance from a storage.
ModelLoaderBase	Model loader base.
ModelLoaderBase.RDFTextStyle
ModelTransformer	A base class for all model creators and loaders.
MultiLineOperator	Detects sequences of aligned lines and joins them to a single area.
NERTagger
OperatorApplicationProvider	An artifact provider that consumes an area tree, applies a list of operators and produces a new area tree.
OperatorWrapperProvider	An area tree provider that wraps a single area tree operator.
OutputDisplay	An abstraction of the graphical display of the segmentation output.
Page	This class represents the whole rendered (and segmented) page.
PageArea
PageAreaRelation
PageBoxTreeBuilder	A simple box tree builder that takes another page as its input, re-builds the box tree according to the parametres and returns a new page.
PageImpl
PageImpl
PageImpl
PageInfo
PageInfo	Class extends the artifact info by page-specific properties.
PageSet	A named set of pages processed together.
Parameter	A parameter of a parametrized operation.
ParameterBoolean
ParameterFloat
ParameterInt
ParameterString
ParametrizedOperation	An implementation of an operation with external parametres of different types.
Pattern
PatternElement
PDFBoxTreeBuilder
PDFBoxTreeProvider
PersonsTagger	NER-based personal name area tagger.
PresentationBasedChunksSource	A chunk source that follows some presentation patterns in order to improve the chunk extraction.
PresentationHint	A hint that influences the chunk extraction in different points of the chunk extraction phases as defined by the PresentationBasedChunksSource.
PuppeteerTreeProvider
Query
RDFArea
RDFAreaTree
RDFArtifact	A RDF representation of an artifact.
RDFArtifactInfo	Information about an artifact obtained from a RDF model.
RDFArtifactRepository	Implementation of an ArtifactRepository on top of an RDFStorage.
RDFBox
RDFContentImage	ContentImage implementation for the RDF model.
RDFContentObject	Generic ContentObject implementation.
RDFChunkSet
RDFIRIDecoder	An IRI decoder that adds the 'r' prefix for RDF resources.
RDFLogicalArea
RDFOrderedResource	A RDF resource that can be ordered.
RDFPage
RDFResource	A RDF resource with an URI.
RDFStorage	This class provides an abstraction of an RDF repository and implements the common low-level operations.
RDFTaggerConfig	A tagger config implementation that uses a ServiceManager and the configured RDF repository as the source of the tagger configuration.
RDFTextChunk
Rect	A generic rectangle with certain position, width and height.
Rectangular	This class represents a general rectangular area.
RectangularZ	Zoomed rectangular.
RegexpTagger
Relation	A basic relation interface.
RelationAnalyzer
RelationAnalyzerSymmetric	A relation analyzer that includes both the normal and inverse relations where applicable.
Relations
Renderer	A command-line interface to page rendering.
Renderer.Backend
RESOURCE	FitLayout resource IRI.
ScriptObject	An object that should be made available in the JavaScript engine.
SearchableAreaContainer	A basic container of areas with the possibility of searching the areas.
SEGM	Visual Area Ontology.
SegmentationAreaTree	A tree of visual areas created from a box tree.
Segmentator	A command-line interface to page segmentation.
Segmentator.Method
Separator
Separator	A detected visual separator.
SeparatorDetector	A base separator detector implementation.
Separators	Implementation of the operations with separators.
SeparatorSet	A generic set of horizontal and vertical separators for a page.
SeparatorSetHVS	A horizntal/vertical separator detection with shrinking.
Serialization
Service	A generic service with its ID, name and description.
ServiceConfig	A service configuration containing a service ID and parameter values.
ServiceException	An exception that may occur during the service invocation or processing.
ServiceManager	This class provides access to registered services.
SimplePattern
SimpleTagResolver	A simple implementation of a tag resolver that only uses the tags assigned to the source area.
SortByLinesOperator
SortByPositionOperator
SourceBoxList	A list of source boxes with additional properties for creating the chunks.
SparqlQueryResult	A result of a generic SPARQL query that holds the result value(s) depending on the query type.
SparqlQueryResult.Type
StopWatch
StorageException	A generic exception that us used to wrap the exceptions thrown by the underlying storage (rdf4j).
StoreArtifact
StreamConsumer	A generic thread that consumes an output stream of the backend.
SuperAreaOperator	Detects the larger visual areas and creates the artificial area nodes.
Tag	A tag that can be assigned to an area.
TagByExamplesOperator	Tags the areas that correspond to the occurrences of examples obtained from page metadata by the corresponding tags.
TagEntitiesOperator
Taggable	An object that can be assigned tags.
TaggedChunksSource	An area list source that creates text chunks by extracting tagged chunks from leaf areas.
Tagger	A generic tagger that is able to assign tags to areas.
TaggerConfig	A tagger configuration and their assignment for tags.
TagOccurrence	An occurrence of a taggable substring in a text string.
TagResolver	A resolver that is able to assign a set of tags to an area.
TextFlowConcatenator	A concatenator that considers the changes in the text flow when deciding whether to serarate to contents by spaces or not.
TextFlowConcatenator.TextFlowBoxConcatenator
TextChunk	An rectangular area representing a text chunk.
TextChunkConnectionProvider
TextChunksProvider
TextStyle	This class represent the statistics about text style of a content rectangle.
TextUtils
TimeTagger	This tagger tags the areas that contain some time expressions.
TreeOp	Implementation of basic area and tree opeations used by the operators.
TreeTagger	This class implements the area tree tagging.
Units
Units
UseRepository
Utils
Vips	The VIPS algorithm implementation.
VipsProvider
VipsTreeBuilder	A resulting tree produced by VIPS.
VisualArea	A class that represents a visual area in the resulting constructed visual structure.
VisualBlock	An extracted visual block in the page.
VisualBlockDetector	Detects the visual blocks in the page.
VisualBoxTreeProvider	An artifact provider that creates a visual box tree from another box tree.
VisualStructureConstructor	Constructs the final visual structure of page.
XMLBoxOutput	Dumps a box tree into a XML file
XMLOutputOperator	This operator serializes the area tree to an XML file.