Document (#34950)

Author

Suzuki, T.

Title

Extracting speaker-specific functional expressions from political speeches using random forests in order to investigate speakers' political styles

Source

Journal of the American Society for Information Science and Technology. 60(2009) no.8, S.1596-1606

Year

2009

Abstract

In this study we extracted speaker-specific functional expressions from political speeches using random forests to investigate speakers' political styles. Along with methodological development, stylistics has expanded its scope into new areas of application such as authorship profiling and sentiment analysis in addition to conventional areas such as authorship attribution and genre-based text classification. Among these, computational sociolinguistics, which aims at providing a systematic and solid basis for sociolinguistic analysis using machine learning and linguistically-motivated features, is a potentially important area. In this study we showed the effectiveness of the random forests classifier for such tasks by applying it to Japanese prime ministers' Diet speeches. The results demonstrated that our method successfully extracted the speaker-specific expressions of two Japanese prime ministers, and enabled us to investigate their political styles in a systematic manner. The method can be applied to sociolinguistic analysis of various other types of texts, and in this way, this study will contribute to developing the area of computational sociolinguistics.

Similar documents (author)

1. Suzuki, Y.: Partial information and its information structure (1995) 6.19

   6.1935673 = sum of:
     6.1935673 = weight(author_txt:suzuki in 6652) [ClassicSimilarity], result of:
       6.1935673 = fieldWeight in 6652, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.909708 = idf(docFreq=5, maxDocs=44421)
         0.625 = fieldNorm(doc=6652)
   

2. Kawamura, S.; Otake, Y.-H.; Suzuki, T.: ¬The structure of the hyperlink network formed by the Web pages of Japanese public libraries (2009) 3.72

   3.7161405 = sum of:
     3.7161405 = weight(author_txt:suzuki in 3845) [ClassicSimilarity], result of:
       3.7161405 = fieldWeight in 3845, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.909708 = idf(docFreq=5, maxDocs=44421)
         0.375 = fieldNorm(doc=3845)
   

3. Vanderwende, L.; Suzuki, H.; Brockett, J.M.; Nenkova, A.: Beyond SumBasic : task-focused summarization with sentence simplification and lexical expansion (2007) 3.10

   3.0967836 = sum of:
     3.0967836 = weight(author_txt:suzuki in 1948) [ClassicSimilarity], result of:
       3.0967836 = fieldWeight in 1948, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.909708 = idf(docFreq=5, maxDocs=44421)
         0.3125 = fieldNorm(doc=1948)
   

4. Arakawa, Y.; Kameda, A.; Aizawa, A.; Suzuki, T.: Adding Twitter-specific features to stylistic features for classifying tweets by user type and number of retweets (2014) 3.10

   3.0967836 = sum of:
     3.0967836 = weight(author_txt:suzuki in 2307) [ClassicSimilarity], result of:
       3.0967836 = fieldWeight in 2307, product of:
         1.0 = tf(freq=1.0), with freq of:
           1.0 = termFreq=1.0
         9.909708 = idf(docFreq=5, maxDocs=44421)
         0.3125 = fieldNorm(doc=2307)
   

Similar documents (content)

1. Jeong, S.; Lee, S.; Kim, H.-G.: Are you an invited speaker? : a bibliometric analysis of elite groups for scholarly events in bioinformatics (2009) 0.19

   0.19184858 = sum of:
     0.19184858 = product of:
       0.5995268 = sum of:
         0.008565516 = weight(abstract_txt:this in 3847) [ClassicSimilarity], result of:
           0.008565516 = score(doc=3847,freq=2.0), product of:
             0.040273607 = queryWeight, product of:
               1.1292353 = boost
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.014821703 = queryNorm
             0.21268311 = fieldWeight in 3847, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
         0.012987737 = weight(abstract_txt:study in 3847) [ClassicSimilarity], result of:
           0.012987737 = score(doc=3847,freq=1.0), product of:
             0.060846772 = queryWeight, product of:
               1.2020528 = boost
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.014821703 = queryNorm
             0.21344988 = fieldWeight in 3847, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
         0.013054157 = weight(abstract_txt:such in 3847) [ClassicSimilarity], result of:
           0.013054157 = score(doc=3847,freq=1.0), product of:
             0.061054047 = queryWeight, product of:
               1.2040986 = boost
               3.42101 = idf(docFreq=3945, maxDocs=44421)
               0.014821703 = queryNorm
             0.21381313 = fieldWeight in 3847, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.42101 = idf(docFreq=3945, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
         0.013468997 = weight(abstract_txt:using in 3847) [ClassicSimilarity], result of:
           0.013468997 = score(doc=3847,freq=1.0), product of:
             0.06234076 = queryWeight, product of:
               1.2167205 = boost
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.014821703 = queryNorm
             0.21605442 = fieldWeight in 3847, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
         0.01579864 = weight(abstract_txt:analysis in 3847) [ClassicSimilarity], result of:
           0.01579864 = score(doc=3847,freq=1.0), product of:
             0.06933647 = queryWeight, product of:
               1.2831743 = boost
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.014821703 = queryNorm
             0.2278547 = fieldWeight in 3847, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
         0.050946154 = weight(abstract_txt:investigate in 3847) [ClassicSimilarity], result of:
           0.050946154 = score(doc=3847,freq=1.0), product of:
             0.15134086 = queryWeight, product of:
               1.8957579 = boost
               5.38611 = idf(docFreq=552, maxDocs=44421)
               0.014821703 = queryNorm
             0.33663186 = fieldWeight in 3847, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.38611 = idf(docFreq=552, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
         0.090828374 = weight(abstract_txt:random in 3847) [ClassicSimilarity], result of:
           0.090828374 = score(doc=3847,freq=1.0), product of:
             0.22251686 = queryWeight, product of:
               2.298721 = boost
               6.5309834 = idf(docFreq=175, maxDocs=44421)
               0.014821703 = queryNorm
             0.40818647 = fieldWeight in 3847, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.5309834 = idf(docFreq=175, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
         0.39387724 = weight(abstract_txt:speaker in 3847) [ClassicSimilarity], result of:
           0.39387724 = score(doc=3847,freq=3.0), product of:
             0.41028163 = queryWeight, product of:
               3.1213741 = boost
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.014821703 = queryNorm
             0.9600167 = fieldWeight in 3847, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.0625 = fieldNorm(doc=3847)
       0.32 = coord(8/25)
   

2. Savoy, J.: Text clustering : an application with the 'State of the Union' addresses (2015) 0.16

   0.15900421 = sum of:
     0.15900421 = product of:
       0.56787217 = sum of:
         0.008565516 = weight(abstract_txt:this in 3128) [ClassicSimilarity], result of:
           0.008565516 = score(doc=3128,freq=2.0), product of:
             0.040273607 = queryWeight, product of:
               1.1292353 = boost
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.014821703 = queryNorm
             0.21268311 = fieldWeight in 3128, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.0625 = fieldNorm(doc=3128)
         0.012987737 = weight(abstract_txt:study in 3128) [ClassicSimilarity], result of:
           0.012987737 = score(doc=3128,freq=1.0), product of:
             0.060846772 = queryWeight, product of:
               1.2020528 = boost
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.014821703 = queryNorm
             0.21344988 = fieldWeight in 3128, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.0625 = fieldNorm(doc=3128)
         0.013468997 = weight(abstract_txt:using in 3128) [ClassicSimilarity], result of:
           0.013468997 = score(doc=3128,freq=1.0), product of:
             0.06234076 = queryWeight, product of:
               1.2167205 = boost
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.014821703 = queryNorm
             0.21605442 = fieldWeight in 3128, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.0625 = fieldNorm(doc=3128)
         0.02234265 = weight(abstract_txt:analysis in 3128) [ClassicSimilarity], result of:
           0.02234265 = score(doc=3128,freq=2.0), product of:
             0.06933647 = queryWeight, product of:
               1.2831743 = boost
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.014821703 = queryNorm
             0.3222352 = fieldWeight in 3128, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.0625 = fieldNorm(doc=3128)
         0.104272604 = weight(abstract_txt:authorship in 3128) [ClassicSimilarity], result of:
           0.104272604 = score(doc=3128,freq=2.0), product of:
             0.16915636 = queryWeight, product of:
               1.6364522 = boost
               6.9740796 = idf(docFreq=112, maxDocs=44421)
               0.014821703 = queryNorm
             0.61642736 = fieldWeight in 3128, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               6.9740796 = idf(docFreq=112, maxDocs=44421)
               0.0625 = fieldNorm(doc=3128)
         0.27992287 = weight(abstract_txt:speeches in 3128) [ClassicSimilarity], result of:
           0.27992287 = score(doc=3128,freq=1.0), product of:
             0.47123858 = queryWeight, product of:
               3.3452241 = boost
               9.504243 = idf(docFreq=8, maxDocs=44421)
               0.014821703 = queryNorm
             0.5940152 = fieldWeight in 3128, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               9.504243 = idf(docFreq=8, maxDocs=44421)
               0.0625 = fieldNorm(doc=3128)
         0.12631175 = weight(abstract_txt:political in 3128) [ClassicSimilarity], result of:
           0.12631175 = score(doc=3128,freq=1.0), product of:
             0.32869568 = queryWeight, product of:
               3.6068342 = boost
               6.148508 = idf(docFreq=257, maxDocs=44421)
               0.014821703 = queryNorm
             0.38428175 = fieldWeight in 3128, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.148508 = idf(docFreq=257, maxDocs=44421)
               0.0625 = fieldNorm(doc=3128)
       0.28 = coord(7/25)
   

3. Olsen, K.A.; Williams, J.G.: Spelling and grammar checking using the Web as a text repository (2004) 0.12

   0.124541014 = sum of:
     0.124541014 = product of:
       0.5189209 = sum of:
         0.004542551 = weight(abstract_txt:this in 3891) [ClassicSimilarity], result of:
           0.004542551 = score(doc=3891,freq=1.0), product of:
             0.040273607 = queryWeight, product of:
               1.1292353 = boost
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.014821703 = queryNorm
             0.11279225 = fieldWeight in 3891, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.046875 = fieldNorm(doc=3891)
         0.009790618 = weight(abstract_txt:such in 3891) [ClassicSimilarity], result of:
           0.009790618 = score(doc=3891,freq=1.0), product of:
             0.061054047 = queryWeight, product of:
               1.2040986 = boost
               3.42101 = idf(docFreq=3945, maxDocs=44421)
               0.014821703 = queryNorm
             0.16035984 = fieldWeight in 3891, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.42101 = idf(docFreq=3945, maxDocs=44421)
               0.046875 = fieldNorm(doc=3891)
         0.01749674 = weight(abstract_txt:using in 3891) [ClassicSimilarity], result of:
           0.01749674 = score(doc=3891,freq=3.0), product of:
             0.06234076 = queryWeight, product of:
               1.2167205 = boost
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.014821703 = queryNorm
             0.28066292 = fieldWeight in 3891, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.046875 = fieldNorm(doc=3891)
         0.11541871 = weight(abstract_txt:speakers in 3891) [ClassicSimilarity], result of:
           0.11541871 = score(doc=3891,freq=2.0), product of:
             0.21927282 = queryWeight, product of:
               1.8631661 = boost
               7.9402676 = idf(docFreq=42, maxDocs=44421)
               0.014821703 = queryNorm
             0.52637035 = fieldWeight in 3891, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               7.9402676 = idf(docFreq=42, maxDocs=44421)
               0.046875 = fieldNorm(doc=3891)
         0.07626439 = weight(abstract_txt:expressions in 3891) [ClassicSimilarity], result of:
           0.07626439 = score(doc=3891,freq=1.0), product of:
             0.23991401 = queryWeight, product of:
               2.3868911 = boost
               6.7814865 = idf(docFreq=136, maxDocs=44421)
               0.014821703 = queryNorm
             0.31788218 = fieldWeight in 3891, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.7814865 = idf(docFreq=136, maxDocs=44421)
               0.046875 = fieldNorm(doc=3891)
         0.29540792 = weight(abstract_txt:speaker in 3891) [ClassicSimilarity], result of:
           0.29540792 = score(doc=3891,freq=3.0), product of:
             0.41028163 = queryWeight, product of:
               3.1213741 = boost
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.014821703 = queryNorm
             0.72001255 = fieldWeight in 3891, product of:
               1.7320508 = tf(freq=3.0), with freq of:
                 3.0 = termFreq=3.0
               8.868255 = idf(docFreq=16, maxDocs=44421)
               0.046875 = fieldNorm(doc=3891)
       0.24 = coord(6/25)
   

4. Bar-Ilan, J.; Keenoy, K.; Yaari, E.; Levene, M.: User rankings of search engine results (2007) 0.11

   0.10648027 = sum of:
     0.10648027 = product of:
       0.33275086 = sum of:
         0.008565516 = weight(abstract_txt:this in 1470) [ClassicSimilarity], result of:
           0.008565516 = score(doc=1470,freq=2.0), product of:
             0.040273607 = queryWeight, product of:
               1.1292353 = boost
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.014821703 = queryNorm
             0.21268311 = fieldWeight in 1470, product of:
               1.4142135 = tf(freq=2.0), with freq of:
                 2.0 = termFreq=2.0
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
         0.012987737 = weight(abstract_txt:study in 1470) [ClassicSimilarity], result of:
           0.012987737 = score(doc=1470,freq=1.0), product of:
             0.060846772 = queryWeight, product of:
               1.2020528 = boost
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.014821703 = queryNorm
             0.21344988 = fieldWeight in 1470, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
         0.013468997 = weight(abstract_txt:using in 1470) [ClassicSimilarity], result of:
           0.013468997 = score(doc=1470,freq=1.0), product of:
             0.06234076 = queryWeight, product of:
               1.2167205 = boost
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.014821703 = queryNorm
             0.21605442 = fieldWeight in 1470, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.4568708 = idf(docFreq=3806, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
         0.01579864 = weight(abstract_txt:analysis in 1470) [ClassicSimilarity], result of:
           0.01579864 = score(doc=1470,freq=1.0), product of:
             0.06933647 = queryWeight, product of:
               1.2831743 = boost
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.014821703 = queryNorm
             0.2278547 = fieldWeight in 1470, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
         0.026027415 = weight(abstract_txt:specific in 1470) [ClassicSimilarity], result of:
           0.026027415 = score(doc=1470,freq=1.0), product of:
             0.096716955 = queryWeight, product of:
               1.5155005 = boost
               4.305746 = idf(docFreq=1628, maxDocs=44421)
               0.014821703 = queryNorm
             0.26910913 = fieldWeight in 1470, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               4.305746 = idf(docFreq=1628, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
         0.050946154 = weight(abstract_txt:investigate in 1470) [ClassicSimilarity], result of:
           0.050946154 = score(doc=1470,freq=1.0), product of:
             0.15134086 = queryWeight, product of:
               1.8957579 = boost
               5.38611 = idf(docFreq=552, maxDocs=44421)
               0.014821703 = queryNorm
             0.33663186 = fieldWeight in 1470, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.38611 = idf(docFreq=552, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
         0.090828374 = weight(abstract_txt:random in 1470) [ClassicSimilarity], result of:
           0.090828374 = score(doc=1470,freq=1.0), product of:
             0.22251686 = queryWeight, product of:
               2.298721 = boost
               6.5309834 = idf(docFreq=175, maxDocs=44421)
               0.014821703 = queryNorm
             0.40818647 = fieldWeight in 1470, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               6.5309834 = idf(docFreq=175, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
         0.11412804 = weight(abstract_txt:styles in 1470) [ClassicSimilarity], result of:
           0.11412804 = score(doc=1470,freq=1.0), product of:
             0.2591056 = queryWeight, product of:
               2.4805226 = boost
               7.0475073 = idf(docFreq=104, maxDocs=44421)
               0.014821703 = queryNorm
             0.4404692 = fieldWeight in 1470, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               7.0475073 = idf(docFreq=104, maxDocs=44421)
               0.0625 = fieldNorm(doc=1470)
       0.32 = coord(8/25)
   

5. Wu, Y.: Indexing historical, political cartoons for retrieval (2013) 0.11

   0.10544008 = sum of:
     0.10544008 = product of:
       0.43933368 = sum of:
         0.007570918 = weight(abstract_txt:this in 2070) [ClassicSimilarity], result of:
           0.007570918 = score(doc=2070,freq=1.0), product of:
             0.040273607 = queryWeight, product of:
               1.1292353 = boost
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.014821703 = queryNorm
             0.18798709 = fieldWeight in 2070, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               2.4062347 = idf(docFreq=10885, maxDocs=44421)
               0.078125 = fieldNorm(doc=2070)
         0.01623467 = weight(abstract_txt:study in 2070) [ClassicSimilarity], result of:
           0.01623467 = score(doc=2070,freq=1.0), product of:
             0.060846772 = queryWeight, product of:
               1.2020528 = boost
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.014821703 = queryNorm
             0.26681235 = fieldWeight in 2070, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.415198 = idf(docFreq=3968, maxDocs=44421)
               0.078125 = fieldNorm(doc=2070)
         0.016317695 = weight(abstract_txt:such in 2070) [ClassicSimilarity], result of:
           0.016317695 = score(doc=2070,freq=1.0), product of:
             0.061054047 = queryWeight, product of:
               1.2040986 = boost
               3.42101 = idf(docFreq=3945, maxDocs=44421)
               0.014821703 = queryNorm
             0.2672664 = fieldWeight in 2070, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.42101 = idf(docFreq=3945, maxDocs=44421)
               0.078125 = fieldNorm(doc=2070)
         0.0197483 = weight(abstract_txt:analysis in 2070) [ClassicSimilarity], result of:
           0.0197483 = score(doc=2070,freq=1.0), product of:
             0.06933647 = queryWeight, product of:
               1.2831743 = boost
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.014821703 = queryNorm
             0.28481838 = fieldWeight in 2070, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               3.6456752 = idf(docFreq=3151, maxDocs=44421)
               0.078125 = fieldNorm(doc=2070)
         0.0636827 = weight(abstract_txt:investigate in 2070) [ClassicSimilarity], result of:
           0.0636827 = score(doc=2070,freq=1.0), product of:
             0.15134086 = queryWeight, product of:
               1.8957579 = boost
               5.38611 = idf(docFreq=552, maxDocs=44421)
               0.014821703 = queryNorm
             0.42078984 = fieldWeight in 2070, product of:
               1.0 = tf(freq=1.0), with freq of:
                 1.0 = termFreq=1.0
               5.38611 = idf(docFreq=552, maxDocs=44421)
               0.078125 = fieldNorm(doc=2070)
         0.3157794 = weight(abstract_txt:political in 2070) [ClassicSimilarity], result of:
           0.3157794 = score(doc=2070,freq=4.0), product of:
             0.32869568 = queryWeight, product of:
               3.6068342 = boost
               6.148508 = idf(docFreq=257, maxDocs=44421)
               0.014821703 = queryNorm
             0.9607044 = fieldWeight in 2070, product of:
               2.0 = tf(freq=4.0), with freq of:
                 4.0 = termFreq=4.0
               6.148508 = idf(docFreq=257, maxDocs=44421)
               0.078125 = fieldNorm(doc=2070)
       0.24 = coord(6/25)