특징 추출을 사용한 텍스트 검색 도구 생성
"이상한 나라의 앨리스"에서 가져온 문장으로 특징 검출기를 훈련합니다.
In[1]:=
![Click for copyable input](assets.ko/create-a-text-search-tool-using-feature-extraction/In_16.png)
alice = ExampleData[{"Text", "AliceInWonderland"}];
sentences = TextSentences[alice];
fe = FeatureExtraction[sentences]
Out[1]=
![](assets.ko/create-a-text-search-tool-using-feature-extraction/O_11.png)
데이터 집합에서 추출된 특징에 대해 NearestFunction을 생성합니다.
In[2]:=
![Click for copyable input](assets.ko/create-a-text-search-tool-using-feature-extraction/In_17.png)
nf = Nearest[fe[sentences] -> Automatic]
Out[2]=
![](assets.ko/create-a-text-search-tool-using-feature-extraction/O_12.png)
"이상한 나라의 앨리스"에 나오는 문장에 가장 가까운 문장을 구축하고, 이를 여러 문장에 사용해 봅니다.
In[3]:=
![Click for copyable input](assets.ko/create-a-text-search-tool-using-feature-extraction/In_18.png)
nearestalice = sentences[[First@nf[fe[#]]]] &;
In[4]:=
![Click for copyable input](assets.ko/create-a-text-search-tool-using-feature-extraction/In_19.png)
nearestalice["Alice and the Rabbit"]
Out[4]=
![](assets.ko/create-a-text-search-tool-using-feature-extraction/O_13.png)
In[5]:=
![Click for copyable input](assets.ko/create-a-text-search-tool-using-feature-extraction/In_20.png)
nearestalice["Off her head"]
Out[5]=
![](assets.ko/create-a-text-search-tool-using-feature-extraction/O_14.png)