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external:tectomt:tutorial [2009/01/21 12:01]
kravalova |
external:tectomt:tutorial [2009/01/21 13:12]
kravalova |
| * Each bundle contains tree shaped sentence representations on various linguistic layers. In our example ''sample.tmt'' we have morphological tree (''SEnglishM'') in each bundle. Later on, also an analytical layer (''SEnglishA'') will appear in each bundle as we proceed with our analysis. | * Each bundle contains tree shaped sentence representations on various linguistic layers. In our example ''sample.tmt'' we have morphological tree (''SEnglishM'') in each bundle. Later on, also an analytical layer (''SEnglishA'') will appear in each bundle as we proceed with our analysis. |
| * Trees are formed by nodes and edges. Attributes can be attached only to nodes. Edge's attributes must be equivalently stored as the lower node's attributes. Tree's attributes must be stored as attributes of the root node. | * Trees are formed by nodes and edges. Attributes can be attached only to nodes. Edge's attributes must be equivalently stored as the lower node's attributes. Tree's attributes must be stored as attributes of the root node. |
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| ===== Changing the scenario ===== | ===== Changing the scenario ===== |
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| We'll now add a syntax analysis (dependency parsing) to our scenario by adding four more blocks. Instead of | We'll now add a syntax analysis (dependency parsing) to our scenario by adding three more blocks. Instead of |
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| <code bash> | <code bash> |
| tmttred sample.tmt | tmttred sample.tmt |
| </code> | </code> |
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| * ''my @bundles = $document<nowiki>-></nowiki>get_bundles()'' - an array of bundles contained in the document | * ''my @bundles = $document<nowiki>-></nowiki>get_bundles()'' - an array of bundles contained in the document |
| * ''my $root_node = $bundle<nowiki>-></nowiki>get_tree($layer_name);'' - the root node of the tree of the given type in the given bundle | * ''my $root_node = $bundle<nowiki>-></nowiki>get_tree($layer_name)'' - the root node of the tree of the given type in the given bundle |
| * ''my @children = $node<nowiki>-></nowiki>get_children();'' - array of the node's children | * ''my @children = $node<nowiki>-></nowiki>get_children()'' - array of the node's children |
| * ''my @descendants = $node<nowiki>-></nowiki>get_descendants();'' - array of the node's children and their children and children of their children ... | * ''my @descendants = $node<nowiki>-></nowiki>get_descendants()'' - array of the node's children and their children and children of their children ... |
| * ''my $parent = $node<nowiki>-></nowiki>get_parent();'' - parent node of the given node, or undef for root | * ''my $parent = $node<nowiki>-></nowiki>get_parent()'' - parent node of the given node, or undef for root |
| * ''my $root_node = $node<nowiki>-></nowiki>get_root();'' - the root node of the tree into which the node belongs | * ''my $root_node = $node<nowiki>-></nowiki>get_root()'' - the root node of the tree into which the node belongs |
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| Attributes of documents, bundles or nodes can be accessed by attribute getters and setters, for example: | Attributes of documents, bundles or nodes can be accessed by attribute getters and setters, for example: |
| * ''$node<nowiki>-></nowiki>get_attr($attr_name);'' | * ''$node<nowiki>-></nowiki>get_attr($attr_name)'' |
| * ''$node<nowiki>-></nowiki>set_attr($attr_name, $attr_value);'' | * ''$node<nowiki>-></nowiki>set_attr($attr_name, $attr_value)'' |
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| Our tutorial block ''Print_node_info.pm'' is ready to use. You only need to add this block to our scenario, e.g. as a new Makefile target: | Our tutorial block ''Print_node_info.pm'' is ready to use. You only need to add this block to our scenario, e.g. as a new Makefile target: |
| ==== Task ==== | ==== Task ==== |
| A block which, given an analytical tree (''SEnglishA''), fills each ''a-node'' with boolean attribute ''is_clause_head'' which is set to ''1'' if the ''a-node'' corresponds to a finite verb, and to ''0'' otherwise. | A block which, given an analytical tree (''SEnglishA''), fills each ''a-node'' with boolean attribute ''is_clause_head'' which is set to ''1'' if the ''a-node'' corresponds to a finite verb, and to ''0'' otherwise. |
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