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Packages that use de.fuberlin.wiwiss.d2rq.algebra | |
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de.fuberlin.wiwiss.d2rq.algebra | Implementation of an RDF-based relational algebra. |
de.fuberlin.wiwiss.d2rq.dbschema | JDBC-based database schema inspection code. |
de.fuberlin.wiwiss.d2rq.engine | |
de.fuberlin.wiwiss.d2rq.expr | |
de.fuberlin.wiwiss.d2rq.find | The find query implementation can answer simple queries for triple patterns (RDF triples that may contain wildcards in the subject, predicate, and/or object positions). |
de.fuberlin.wiwiss.d2rq.map | Classes that represent the components of a mapping file. |
de.fuberlin.wiwiss.d2rq.mapgen | The mapping generator introspects a database schema and generates a simple default D2RQ mapping that matches the DB schema. |
de.fuberlin.wiwiss.d2rq.nodes | Code that maps a set of database values into a set of RDF nodes. |
de.fuberlin.wiwiss.d2rq.optimizer.expr | |
de.fuberlin.wiwiss.d2rq.parser | Code that converts a D2RQ mapping file from its RDF representation into corresponding Java objects. |
de.fuberlin.wiwiss.d2rq.sql | SQL query and result processing code. |
de.fuberlin.wiwiss.d2rq.sql.vendor | |
de.fuberlin.wiwiss.d2rq.values | Code for expressing a rule that generates a set of values from some data in the database. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.algebra | |
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AliasMap
A map from table names to aliases. |
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AliasMap.Alias
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Attribute
A database column. |
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ColumnRenamer
Something that can rename columns in various objects. |
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CompatibleRelationGroup
A group of Relation s that can be combined into a single
relation without changing the semantics of NodeMaker s. |
|
Join
Represents an SQL join between two tables, spanning one or more columns. |
|
NodeRelation
A Relation associated with a number of named NodeMaker s. |
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OrderSpec
|
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ProjectionSpec
Something to be used in the SELECT clause of a SQL query, e.g. |
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Relation
TODO Describe this type TODO Add uniqueConstraints() TODO Explicitly list tables!!! |
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RelationalOperators
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RelationName
A relation name, including an optional schema name. |
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TripleRelation
A collection of virtual triples obtained by applying a Relation to a
database, and applying NodeMaker s for subject, predicate and object
to each result row. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.dbschema | |
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Attribute
A database column. |
|
Join
Represents an SQL join between two tables, spanning one or more columns. |
|
RelationName
A relation name, including an optional schema name. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.engine | |
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NodeRelation
A Relation associated with a number of named NodeMaker s. |
|
ProjectionSpec
Something to be used in the SELECT clause of a SQL query, e.g. |
|
Relation
TODO Describe this type TODO Add uniqueConstraints() TODO Explicitly list tables!!! |
|
TripleRelation
A collection of virtual triples obtained by applying a Relation to a
database, and applying NodeMaker s for subject, predicate and object
to each result row. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.expr | |
---|---|
AliasMap
A map from table names to aliases. |
|
Attribute
A database column. |
|
ColumnRenamer
Something that can rename columns in various objects. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.find | |
---|---|
TripleRelation
A collection of virtual triples obtained by applying a Relation to a
database, and applying NodeMaker s for subject, predicate and object
to each result row. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.map | |
---|---|
AliasMap
A map from table names to aliases. |
|
Attribute
A database column. |
|
Relation
TODO Describe this type TODO Add uniqueConstraints() TODO Explicitly list tables!!! |
|
TripleRelation
A collection of virtual triples obtained by applying a Relation to a
database, and applying NodeMaker s for subject, predicate and object
to each result row. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.mapgen | |
---|---|
Attribute
A database column. |
|
Join
Represents an SQL join between two tables, spanning one or more columns. |
|
RelationName
A relation name, including an optional schema name. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.nodes | |
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Attribute
A database column. |
|
ColumnRenamer
Something that can rename columns in various objects. |
|
OrderSpec
|
|
ProjectionSpec
Something to be used in the SELECT clause of a SQL query, e.g. |
|
RelationalOperators
|
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.optimizer.expr | |
---|---|
Attribute
A database column. |
|
NodeRelation
A Relation associated with a number of named NodeMaker s. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.parser | |
---|---|
AliasMap
A map from table names to aliases. |
|
AliasMap.Alias
|
|
Join
Represents an SQL join between two tables, spanning one or more columns. |
|
OrderSpec
|
|
ProjectionSpec
Something to be used in the SELECT clause of a SQL query, e.g. |
|
Relation
TODO Describe this type TODO Add uniqueConstraints() TODO Explicitly list tables!!! |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.sql | |
---|---|
AliasMap.Alias
|
|
Attribute
A database column. |
|
ColumnRenamer
Something that can rename columns in various objects. |
|
Join
Represents an SQL join between two tables, spanning one or more columns. |
|
ProjectionSpec
Something to be used in the SELECT clause of a SQL query, e.g. |
|
Relation
TODO Describe this type TODO Add uniqueConstraints() TODO Explicitly list tables!!! |
|
RelationName
A relation name, including an optional schema name. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.sql.vendor | |
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Attribute
A database column. |
|
RelationName
A relation name, including an optional schema name. |
Classes in de.fuberlin.wiwiss.d2rq.algebra used by de.fuberlin.wiwiss.d2rq.values | |
---|---|
Attribute
A database column. |
|
ColumnRenamer
Something that can rename columns in various objects. |
|
OrderSpec
|
|
ProjectionSpec
Something to be used in the SELECT clause of a SQL query, e.g. |
|
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