<?xml version="1.0" encoding="utf-8"?><!DOCTYPE article  PUBLIC '-//OASIS//DTD DocBook XML V4.4//EN'  'http://www.docbook.org/xml/4.4/docbookx.dtd'><article><articleinfo><title>OPTA</title><revhistory><revision><revnumber>25</revnumber><date>2019-10-08 11:28:20</date><authorinitials>MaciejOgrodniczuk</authorinitials></revision><revision><revnumber>24</revnumber><date>2016-03-10 15:48:22</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>23</revnumber><date>2016-03-10 15:48:07</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>22</revnumber><date>2016-03-10 15:12:56</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>21</revnumber><date>2016-02-01 09:24:41</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>20</revnumber><date>2016-02-01 09:12:45</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>19</revnumber><date>2016-01-31 22:08:54</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>18</revnumber><date>2016-01-31 22:07:01</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>17</revnumber><date>2016-01-31 22:02:59</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>16</revnumber><date>2016-01-31 21:51:48</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>15</revnumber><date>2016-01-31 21:50:08</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>14</revnumber><date>2016-01-24 18:39:08</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>13</revnumber><date>2016-01-24 18:26:44</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>12</revnumber><date>2015-09-10 18:39:58</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>11</revnumber><date>2015-09-10 13:09:25</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>10</revnumber><date>2015-09-10 13:08:49</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>9</revnumber><date>2015-08-30 09:14:03</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>8</revnumber><date>2015-08-20 23:03:53</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>7</revnumber><date>2015-08-18 07:39:25</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>6</revnumber><date>2015-08-18 07:37:54</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>5</revnumber><date>2014-06-30 21:26:21</date><authorinitials>MaciejOgrodniczuk</authorinitials></revision><revision><revnumber>4</revnumber><date>2013-09-16 17:25:00</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>3</revnumber><date>2013-09-16 13:12:53</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>2</revnumber><date>2013-09-16 13:12:21</date><authorinitials>AleksanderWawer</authorinitials></revision><revision><revnumber>1</revnumber><date>2013-09-16 13:07:23</date><authorinitials>AleksanderWawer</authorinitials></revision></revhistory></articleinfo><section><title>OPTA project</title><section><title>Project factsheet</title><informaltable><tgroup cols="2"><colspec colname="col_0"/><colspec colname="col_1"/><tbody><row rowsep="1"><entry colsep="1" rowsep="1"><para> English name: </para></entry><entry colsep="1" rowsep="1"><para> Computer-based methods of identifying opinion targets and opinion expressions in Polish texts </para></entry></row><row rowsep="1"><entry colsep="1" rowsep="1"><para> Polish name:  </para></entry><entry colsep="1" rowsep="1"><para> Automatyczne metody rozpoznawania przedmiotów i wyrażeń opinii w języku polskim </para></entry></row><row rowsep="1"><entry colsep="1" rowsep="1"><para> Project type: </para></entry><entry colsep="1" rowsep="1"><para> A National Science Centre grant 2012/05/N/ST6/03587 </para></entry></row><row rowsep="1"><entry colsep="1" rowsep="1"><para> Duration:     </para></entry><entry colsep="1" rowsep="1"><para> Jan 2013 ‒ Jan 2016 </para></entry></row><row rowsep="1"><entry colsep="1" rowsep="1"><para> Project Web page: </para></entry><entry colsep="1" rowsep="1"><para> <ulink url="http://zil.ipipan.waw.pl/opta"/> </para></entry></row><row rowsep="1"><entry colsep="1" rowsep="1"><para> NCN project info: </para></entry><entry colsep="1" rowsep="1"><para> <ulink url="https://projekty.ncn.gov.pl/index.php?s=5389"/> </para></entry></row><row rowsep="1"><entry colsep="1" rowsep="1"><para> Principal investigator: </para></entry><entry colsep="1" rowsep="1"><para> Aleksander Wawer </para></entry></row></tbody></tgroup></informaltable></section><section><title>Project summary</title><para>The project is focused on investigating syntactic relations between opinion targets and opinion expressions. The goal is to use available parsing techniques (eg. shallow and dependency) and machine learning to facilitate automated association of opinion expressions with their targets. The project involves corpus-based analyses based on the National Corpus of Polish (NKJP) and opinion corpora obtained in the NEKST project. </para></section><section><title>Resources</title><para><emphasis role="strong">Treebanks of Opinion Targets</emphasis> in Polish: </para><itemizedlist><listitem><para>Product review sentences annotated with sentiments and opinion targets:  <ulink url="http://zil.ipipan.waw.pl/OPTA?action=AttachFile&amp;do=get&amp;target=OPTA-treebank-reviews.tar.gz">download</ulink>. </para></listitem><listitem><para>A subset of Skladnica sentences annotated with sentiments and opinion targets:  <ulink url="http://zil.ipipan.waw.pl/OPTA?action=AttachFile&amp;do=get&amp;target=OPTA-treebank-skladnica.tar.gz">download</ulink>. </para></listitem></itemizedlist><para>Dependency Patterns for Extracting Opinion Targets in Polish with pattern matching code:  <ulink url="http://zil.ipipan.waw.pl/OPTA?action=AttachFile&amp;do=get&amp;target=OPTA-patterns-0.1.tar.gz">download</ulink>. </para><para><emphasis role="strong">OPFI - Opinion Finder</emphasis> - a hybrid (CRF+patterns) application for extracting opinion targets in Polish:  <ulink url="http://zil.ipipan.waw.pl/OPTA?action=AttachFile&amp;do=get&amp;target=opta-tagger.tar.gz">download</ulink>. </para><para><emphasis role="strong">word2vec vectors</emphasis> - trained on various combinations of Wikipedia and the National Corpus of Polish:  <ulink url="http://mozart.ipipan.waw.pl/~axw/models/">visit page</ulink>. </para></section></section></article>