forked from docs/doc-exports
Lai, Weijian
6aa966a79a
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Lai, Weijian <laiweijian4@huawei.com> Co-committed-by: Lai, Weijian <laiweijian4@huawei.com>
51 lines
17 KiB
HTML
51 lines
17 KiB
HTML
<a name="EN-US_TOPIC_0000002043180988"></a><a name="EN-US_TOPIC_0000002043180988"></a>
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<h1 class="topictitle1">Named Entity Recognition</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p129461569252">Named entity recognition assigns labels to named entities in text, such as time and locations. Before labeling, pay attention to the following:</p>
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<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p10685841244">A label name of a named entity can contain a maximum of 1,024 characters, including letters, digits, hyphens (-), underscores (_), and special characters.</p>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section139520290612"><h4 class="sectiontitle">Starting Labeling</h4><ol id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0000001185384417_ol1332113431875"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0000001185384417_li173221243078">Log in to the ModelArts management console. In the navigation pane on the left, choose <strong id="EN-US_TOPIC_0000002043180988__b7545949794838">Data Management</strong> > <span class="parmname" id="EN-US_TOPIC_0000002043180988__parmname116562089494838"><b>Label Data</b></span>.</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0000001185384417_li1241123818438">In the labeling job list, select a labeling type from the <strong id="EN-US_TOPIC_0000002043180988__b185616208994838">All type</strong> drop-down list, click the job to be performed based on the labeling type. The details page of the job is displayed.</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0000001185384417_li1766010993710">The job details page displays all data of the labeling job.</li></ol>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section616011413170"><h4 class="sectiontitle">Synchronizing New Data</h4><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p114233449177">ModelArts automatically synchronizes data and labeling information from datasets to the labeling job.</p>
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<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p38711841115016">To quickly obtain the latest data in the datasets, in the <strong id="EN-US_TOPIC_0000002043180988__b31864349394838">Unlabeled</strong> tab of the labeling job details page, click <strong id="EN-US_TOPIC_0000002043180988__b86265031094838">Synchronize New Data</strong>.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section888019266174"><h4 class="sectiontitle">Labeling Text Files</h4><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p193441038156">The labeling job details page displays the <strong id="EN-US_TOPIC_0000002043180988__b142796285694838">Unlabeled</strong> and <strong id="EN-US_TOPIC_0000002043180988__b712135994838">Labeled</strong> tabs. The <strong id="EN-US_TOPIC_0000002043180988__b96297876794838">Unlabeled</strong> tab is displayed by default.</p>
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<ol id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_ol05038298218"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li072245216214">In the <span class="wintitle" id="EN-US_TOPIC_0000002043180988__wintitle1854131045016"><b>Unlabeled</b></span> tab, the objects to be labeled are listed in the left pane. In the list, click the text object to be labeled, select a part of text displayed under <strong id="EN-US_TOPIC_0000002043180988__b155319850594838">Label Set</strong> for labeling, and select a label in the <span class="parmname" id="EN-US_TOPIC_0000002043180988__parmname129129426494838"><b>Label Set</b></span> area in the right pane. Multiple labels can be added to a labeling object.<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p54976371124">You can repeat this operation to select objects and add labels to the objects.</p>
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</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li15537301939">Click <strong id="EN-US_TOPIC_0000002043180988__b85275465494838">Save Current Page</strong> in the lower part of the page to complete the labeling.</li></ol>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section1221410499617"><h4 class="sectiontitle">Adding a Label</h4><ul id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_ul743341379"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li154364376">Adding labels in the <strong id="EN-US_TOPIC_0000002043180988__b63005520444">Unlabeled</strong> tab: Click the plus sign (+) next to <strong id="EN-US_TOPIC_0000002043180988__b11300135219446">Label Set</strong>. On the displayed <strong id="EN-US_TOPIC_0000002043180988__b193001752114410">Add Label</strong> page, add a label name, select a label color, and click <strong id="EN-US_TOPIC_0000002043180988__b8300452144413">OK</strong>.</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li10441041779">Adding labels in the <strong id="EN-US_TOPIC_0000002043180988__b15852185511445">Labeled</strong> tab: Click the plus sign (+) next to <strong id="EN-US_TOPIC_0000002043180988__b168521655104410">Label Set</strong>. On the displayed <strong id="EN-US_TOPIC_0000002043180988__b085265584415">Add Label</strong> page, add a label name, select a label color, and click <strong id="EN-US_TOPIC_0000002043180988__b10853205513449">OK</strong>.</li></ul>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section2958731141718"><h4 class="sectiontitle">Viewing the Labeled Text</h4><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_p138711071810">On the dataset details page, click the <span class="wintitle" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_wintitle931182725917"><b>Labeled</b></span> tab to view the list of the labeled text. You can also view all labels supported by the dataset in the <span class="parmname" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_parmname156102338595"><b>All Labels</b></span> area on the right.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section0534612151819"><h4 class="sectiontitle">Modifying Labeled Data</h4><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p1981864110595">After labeling data, you can modify labeled data in the <span class="wintitle" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_wintitle126623314351"><b>Labeled</b></span> tab.</p>
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<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p176915511563">On the labeling job details page, click the <strong id="EN-US_TOPIC_0000002043180988__b74122015194838">Labeled</strong> tab, and modify the text information in the label information area on the right.</p>
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<ul id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_ul814710065510"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li12147807557"><strong id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_b7115141218212">Modifying based on texts</strong><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p758718288619">On the labeling job details page, click the <strong id="EN-US_TOPIC_0000002043180988__b67845809794838">Labeled</strong> tab, and select the text to be modified from the text list.</p>
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<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p1846175067">Manual deletion: In the text list, click the text. When the text background turns blue, the text is selected. On the right of the page, click <span><img id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_image18287132565" src="figure/en-us_image_0000002079180357.png"></span> on the above to delete the label.</p>
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</li></ul>
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<ul id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_ul141472065510"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li2014730135520"><strong id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_b19637111442115">Modifying based on labels</strong><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p144965385189">On the labeling job details page, click the <strong id="EN-US_TOPIC_0000002043180988__b196624732394838">Labeled</strong> tab. The information about all labels is displayed on the right.</p>
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<ul id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_ul1280613195380"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li21332301154">Batch modification: In the <strong id="EN-US_TOPIC_0000002043180988__b84286345694838">All Labels</strong> area, click the edit icon in the <strong id="EN-US_TOPIC_0000002043180988__b53386953194838">Operation</strong> column, add a label name in the text box, select a label color, and click <strong id="EN-US_TOPIC_0000002043180988__b37188951794838">OK</strong>.</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li16112144123813">Batch deletion: In the <strong id="EN-US_TOPIC_0000002043180988__b139262035094838">All Labels</strong> area, click the deletion icon in the <strong id="EN-US_TOPIC_0000002043180988__b213454070994838">Operation</strong> column to delete the label. In the displayed dialog box, select <strong id="EN-US_TOPIC_0000002043180988__b6070849894838">Delete the label</strong> or <strong id="EN-US_TOPIC_0000002043180988__b165250119794838">Delete the label and objects with only the label</strong>, and click <strong id="EN-US_TOPIC_0000002043180988__b101881804794838">OK</strong>.</li></ul>
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</li></ul>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section7482182493016"><h4 class="sectiontitle">Adding a File</h4><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889731_p266117351147">In addition to the data synchronized, you can directly add data on labeling job details page for labeling.</p>
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<ol id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889731_ol429210266513"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889731_li1924993814520">On the labeling job details page, click the <strong id="EN-US_TOPIC_0000002043180988__b4073002794838">Unlabeled</strong> tab, click <strong id="EN-US_TOPIC_0000002043180988__b211594329694838">Add data</strong> in the upper left corner.</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_li01454543219">Configure the data source, import mode, and other parameters, and click <span class="uicontrol" id="EN-US_TOPIC_0000002043180988__uicontrol85889850794838"><b>OK</b></span>.<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_p2070881211273">For details about how to import data, see section "Importing Data".</p>
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</li></ol>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section15379942161810"><h4 class="sectiontitle">Deleting a File</h4><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_en-us_topic_0170889731_p3752212171611">You can quickly delete the files you want to discard.</p>
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<ul id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_ul119169331673"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_li193023715719">In the <strong id="EN-US_TOPIC_0000002043180988__b1639572214459">Unlabeled</strong> tab, select the text to be deleted, and click <strong id="EN-US_TOPIC_0000002043180988__b17395142294519">Delete</strong> in the upper left corner.</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_li176232415014">In the <span class="wintitle" id="EN-US_TOPIC_0000002043180988__wintitle2065912554513"><b>Labeled</b></span> tab, select the text to be deleted, and click <span class="uicontrol" id="EN-US_TOPIC_0000002043180988__uicontrol12659125164520"><b>Delete</b></span>. Alternatively, tick <span class="parmname" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_parmname19762244509"><b>Select Current Page</b></span> to select all text objects on the current page and click <span class="uicontrol" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_uicontrol1676102495011"><b>Delete</b></span> in the upper left corner.</li></ul>
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<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_en-us_topic_0170889733_p2148165245011">The background of the selected text is blue.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001185384419_section11766134133017"><h4 class="sectiontitle">Managing Annotators</h4><p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_p0400144621811">If team labeling is enabled for a labeling job, view its labeling details in the <strong id="EN-US_TOPIC_0000002043180988__b1297113654511">Annotator Management</strong> tab. Additionally, you can add, modify, or delete annotators.</p>
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<ol id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_ol14491310172315"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_li049171011232">Choose <strong id="EN-US_TOPIC_0000002043180988__b1067811428337">Data Management</strong> > <strong id="EN-US_TOPIC_0000002043180988__b1467814215331">Label Data</strong>. In the <strong id="EN-US_TOPIC_0000002043180988__b17678134220331">My Creations</strong> or <strong id="EN-US_TOPIC_0000002043180988__b18678174283319">My Participations</strong> tab, view the list of all labeling jobs.</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_li13948142542315">Locate the target team labeling job. (The name of a team labeling job is followed by <span><img id="EN-US_TOPIC_0000002043180988__image116949445332" src="figure/en-us_image_0000002079101757.png"></span>.)</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_li176669516250">Choose <strong id="EN-US_TOPIC_0000002043180988__b57786828994838">More</strong> > <strong id="EN-US_TOPIC_0000002043180988__b16124546694838">Annotator Management</strong> in the <strong id="EN-US_TOPIC_0000002043180988__b47378717494838">Operation</strong> column. Alternatively, click the job name to go to the job details page, and choose <strong id="EN-US_TOPIC_0000002043180988__b121472834194838">Team Labeling</strong> > <strong id="EN-US_TOPIC_0000002043180988__b93395909394838">Annotator Management</strong> in the upper right corner.</li></ol>
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<ul id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_ul143722450281"><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_li537294582812">Adding an annotator<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_p723845392118"><a name="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_li537294582812"></a><a name="en-us_topic_0000001398306840_en-us_topic_0000001185384417_li537294582812"></a>Click <strong id="EN-US_TOPIC_0000002043180988__b156720512694838">Add Member</strong>, select a member name, and click <strong id="EN-US_TOPIC_0000002043180988__b135797740794838">OK</strong>.</p>
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<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_p177231347112320">Click <strong id="EN-US_TOPIC_0000002043180988__b106025565294838">Send Email</strong> in the <strong id="EN-US_TOPIC_0000002043180988__b11499269994838">Operation</strong> column to send the labeling job to the annotator by email.</p>
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</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_li261614352915">Modifying annotator information<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_p744716392518"><a name="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_li261614352915"></a><a name="en-us_topic_0000001398306840_en-us_topic_0000001185384417_li261614352915"></a>Click <strong id="EN-US_TOPIC_0000002043180988__b195114415294838">Modify</strong> in the <strong id="EN-US_TOPIC_0000002043180988__b198972135994838">Operation</strong> column to modify the role of the annotator.</p>
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</li><li id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_li57521789299">Deleting an annotator<p id="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_p16917111112269"><a name="EN-US_TOPIC_0000002043180988__en-us_topic_0000001398306840_en-us_topic_0000001185384417_li57521789299"></a><a name="en-us_topic_0000001398306840_en-us_topic_0000001185384417_li57521789299"></a>Click <strong id="EN-US_TOPIC_0000002043180988__b131605545494838">Delete</strong> in the <strong id="EN-US_TOPIC_0000002043180988__b175328024194838">Operation</strong> column to delete the annotator.</p>
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</li></ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="datalabel-modelarts_0009.html">Text Labeling</a></div>
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