en:kurz:hledani_v_paralelnim_korpusu

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=====Using KonText to search a parallel corpus=====

We make an effort to keep the following instructions up-to-date. However, the search interface is being developed and inconsistencies may occur. We are sorry about any such problems. Please report such cases using the [[https://podpora.korpus.cz/projects/kontext/issues/new|Report an error]] button within KonText (at the bottom right corner of the page).



====Access to the corpus====

InterCorp is accessible using the same login as for other CNC corpora. If you do not have a login for the CNC corpora yet you can get it for free by registering on the [[https://www.korpus.cz/signup|Registration]] page.

[[https://kontext.korpus.cz/first_form|KonText]] is an integrated interface for searching both monolingual and parallel corpora. After entering your user ID and password a page with a default corpus opens (e.g. **syn2015**). After clicking **All corpora** and **InterCorp** a list of  available languages shows up. 

====Selecting languages====

Click on one of the languages, such as **InterCorp v9 Czech** to choose the primary language for your search. For the primary language a non-empty query is required. The query box for this language must be filled in. The order of the languages also matters when you wish to create a subcorpus (see below). The range of texts to create subcorpora can be specified only for the primary language. In other respects, the order of languages is irrelevant.

After choosing the primary language a brief description of the selected part of the corpus appears in the page heading together with its size, measured in the number of tokens (so-called positions, i.e. word forms and punctuation symbols). To add an additional language choose the relevant corpus part within the frame **Aligned corpora** and then click on **Add**. For the additional language a query need not be entered. Tick **include empty lines** if you wish the result to include concordances that do not have an equivalent in the given language. More languages can be added in a similar way. Searching one part of the parallel corpus only, i.e. within a single language, is also possible. If so, do not add other languages and proceed to selecting the type of query and specifying the query itself.

====Entering a query====

You can choose from six **Query Types** (see below). All types of queries except **Basic** are case-sensitive and can handle regular expressions. For the query type **Word Form** the default is case-insensitive but **Match case** can be turned on. For the second and other languages you can also specify whether the concordances should or should not include terms specified in the query box.

  * **Basic** - searches for the given word form, case-insensitive, if the given form is at the same time a basic dictionary form ([[en:pojmy:lemma|lemma]]), searches also for all of its inflected forms
  * **Lemma** - searches for all forms of the given lemma
  * **Phrase** - searches for the given sequence of word forms
  * **Word form** - searches for the given word form
  * **Character** - search for word forms containing the given sequence of characters
  * **CQL** - searches for one or more word forms according to the given expression in the [[https://www.sketchengi.co.uk/corpus-querying/|**CQL**]] query language. While entering morphological tags for Czech the user might find useful the helper option **insert tag**, which allows to enter codes at the appropriate position of the tag using a menu of attributes and their corresponding values. All languages include the **insert "within"** option, which helps to filter the query results according to metadata, ie bibliographic and other data relating to the texts. For a list of attributes and their values, see [[http://ucnk.ff.cuni.cz/intercorp/?req=page:metadata&lang=en|here]]. The 'attribute="value"' pairs can be combined using the operator & (logical conjunction). The whole "within" condition must be placed at the end of a query, following expressions specifying one or more positions (in brackets). A single query can include multiple "within" conditions. The following two example queries produce identical results, namely sentences including nouns in the vocative case in original Czech dramas:

<code>
[tag="N...5.*"] within <div txtype="drama" & srclang="cs" />
[tag="N...5.*"] within <div txtype="drama" /> within <div srclang="cs" />
</code>

Click on **Make Concordance** to evaluate the query.

====Query results====

The response to the query is shown as a list of concordances. The menu on the top of the page can be used to modify the view, to store, sort or filter the concordances, to search for collocations and to compute statistics, based on the result. The menu options operate on the language in focus, highlighted by the light blue background colour; the parameters of the relevant part of the corpus are shown in the page heading. The language in focus can be changed by clicking on the column heading, specifying the required corpus part. To enter a new query click on **Query/New Query**.

====Filtering - restricting the range of searched texts using the metadata====

By default, searching is performed on all texts in the selected languages. The range of texts can be restricted before evaluating the query by clicking on the **Specify query according to the meta-information** item below. The restrictions apply to the primary language. To select which texts should be included tick appropriate values of the relevant attributes. If no value for a given attribute is selected, the search range is not restricted by that attribute. This is equivalent to selecting all values by clicking the **Select All** button.

If you wish to search only original Czech fiction, check the boxes **fiction** and **cs** in the corresponding lists of attributes. To see the specific texts selected using the restrictions above, click on **refine selection** below – the titles show up below **div.title**.

====Subcorpora====

Click on **Subcorpora/Create new** item in the menu. You can then apply restrictions in the same way as for filtering (see above).

In addition to ticking the appropriate attribute values the subcorpus can be specified in more detail by using the **Custom 'within' condition**. In most cases the condition should be specified for attributes on the level of the document part (div). For a list of attributes and their values see [[http://ucnk.ff.cuni.cz/intercorp/?req=page:metadata&lang=en|here]]. If you wish to create a subcorpus of original Czech drama plays, select div from the menu and enter the following in the box for specifying the condition:

<code>
txtype="drama" & srclang="cs"
</code>

The same result would be achieved by checking the boxes **drama** and **cs** in the corresponding lists of attributes. To create the subcorpus, name it in the box **New subcorpus name** and click on **Create Subcorpus**. While entering a query the subcorpus can be invoked by choosing one of the **Available subcorpora** in the **Subcorpora** menu item.
Trace: • lexikalni_bohatost • verze10 • verze3 • hledani_v_paralelnim_korpusu • pravidla • genre_group • verze11 • historie • verze15 • struktura_oral