Search (3 results, page 1 of 1)

  • × author_ss:"Liu, J."
  • × language_ss:"e"
  • × year_i:[2020 TO 2030}
  1. Jiang, Y.; Meng, R.; Huang, Y.; Lu, W.; Liu, J.: Generating keyphrases for readers : a controllable keyphrase generation framework (2023) 0.02
    0.019131469 = product of:
      0.038262937 = sum of:
        0.022910692 = weight(_text_:retrieval in 1012) [ClassicSimilarity], result of:
          0.022910692 = score(doc=1012,freq=2.0), product of:
            0.13710396 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.045324896 = queryNorm
            0.16710453 = fieldWeight in 1012, product of:
              1.4142135 = tf(freq=2.0), with freq of:
                2.0 = termFreq=2.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.0390625 = fieldNorm(doc=1012)
        0.0153522445 = product of:
          0.030704489 = sum of:
            0.030704489 = weight(_text_:22 in 1012) [ClassicSimilarity], result of:
              0.030704489 = score(doc=1012,freq=2.0), product of:
                0.15872006 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045324896 = queryNorm
                0.19345059 = fieldWeight in 1012, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=1012)
          0.5 = coord(1/2)
      0.5 = coord(2/4)
    
    Abstract
    With the wide application of keyphrases in many Information Retrieval (IR) and Natural Language Processing (NLP) tasks, automatic keyphrase prediction has been emerging. However, these statistically important phrases are contributing increasingly less to the related tasks because the end-to-end learning mechanism enables models to learn the important semantic information of the text directly. Similarly, keyphrases are of little help for readers to quickly grasp the paper's main idea because the relationship between the keyphrase and the paper is not explicit to readers. Therefore, we propose to generate keyphrases with specific functions for readers to bridge the semantic gap between them and the information producers, and verify the effectiveness of the keyphrase function for assisting users' comprehension with a user experiment. A controllable keyphrase generation framework (the CKPG) that uses the keyphrase function as a control code to generate categorized keyphrases is proposed and implemented based on Transformer, BART, and T5, respectively. For the Computer Science domain, the Macro-avgs of , , and on the Paper with Code dataset are up to 0.680, 0.535, and 0.558, respectively. Our experimental results indicate the effectiveness of the CKPG models.
    Date
    22. 6.2023 14:55:20
  2. Liu, J.; Liu, C.: Personalization in text information retrieval : a survey (2020) 0.01
    0.011904745 = product of:
      0.04761898 = sum of:
        0.04761898 = weight(_text_:retrieval in 5761) [ClassicSimilarity], result of:
          0.04761898 = score(doc=5761,freq=6.0), product of:
            0.13710396 = queryWeight, product of:
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.045324896 = queryNorm
            0.34732026 = fieldWeight in 5761, product of:
              2.4494898 = tf(freq=6.0), with freq of:
                6.0 = termFreq=6.0
              3.024915 = idf(docFreq=5836, maxDocs=44218)
              0.046875 = fieldNorm(doc=5761)
      0.25 = coord(1/4)
    
    Abstract
    Personalization of information retrieval (PIR) is aimed at tailoring a search toward individual users and user groups by taking account of additional information about users besides their queries. In the past two decades or so, PIR has received extensive attention in both academia and industry. This article surveys the literature of personalization in text retrieval, following a framework for aspects or factors that can be used for personalization. The framework consists of additional information about users that can be explicitly obtained by asking users for their preferences, or implicitly inferred from users' search behaviors. Users' characteristics and contextual factors such as tasks, time, location, etc., can be helpful for personalization. This article also addresses various issues including when to personalize, the evaluation of PIR, privacy, usability, etc. Based on the extensive review, challenges are discussed and directions for future effort are suggested.
  3. Zhang, Y.; Liu, J.; Song, S.: ¬The design and evaluation of a nudge-based interface to facilitate consumers' evaluation of online health information credibility (2023) 0.00
    0.0038380611 = product of:
      0.0153522445 = sum of:
        0.0153522445 = product of:
          0.030704489 = sum of:
            0.030704489 = weight(_text_:22 in 993) [ClassicSimilarity], result of:
              0.030704489 = score(doc=993,freq=2.0), product of:
                0.15872006 = queryWeight, product of:
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.045324896 = queryNorm
                0.19345059 = fieldWeight in 993, product of:
                  1.4142135 = tf(freq=2.0), with freq of:
                    2.0 = termFreq=2.0
                  3.5018296 = idf(docFreq=3622, maxDocs=44218)
                  0.0390625 = fieldNorm(doc=993)
          0.5 = coord(1/2)
      0.25 = coord(1/4)
    
    Date
    22. 6.2023 18:18:34