-
Wang, H.; Liu, Q.; Penin, T.; Fu, L.; Zhang, L.; Tran, T.; Yu, Y.; Pan, Y.: Semplore: a scalable IR approach to search the Web of Data (2009)
0.02
0.022241924 = product of:
0.10379565 = sum of:
0.03856498 = weight(_text_:wide in 1638) [ClassicSimilarity], result of:
0.03856498 = score(doc=1638,freq=2.0), product of:
0.1312982 = queryWeight, product of:
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.029633347 = queryNorm
0.29372054 = fieldWeight in 1638, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.046875 = fieldNorm(doc=1638)
0.05917687 = weight(_text_:web in 1638) [ClassicSimilarity], result of:
0.05917687 = score(doc=1638,freq=16.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.6119082 = fieldWeight in 1638, product of:
4.0 = tf(freq=16.0), with freq of:
16.0 = termFreq=16.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.046875 = fieldNorm(doc=1638)
0.0060537956 = weight(_text_:information in 1638) [ClassicSimilarity], result of:
0.0060537956 = score(doc=1638,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.116372846 = fieldWeight in 1638, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=1638)
0.21428572 = coord(3/14)
- Abstract
- The Web of Data keeps growing rapidly. However, the full exploitation of this large amount of structured data faces numerous challenges like usability, scalability, imprecise information needs and data change. We present Semplore, an IR-based system that aims at addressing these issues. Semplore supports intuitive faceted search and complex queries both on text and structured data. It combines imprecise keyword search and precise structured query in a unified ranking scheme. Scalable query processing is supported by leveraging inverted indexes traditionally used in IR systems. This is combined with a novel block-based index structure to support efficient index update when data changes. The experimental results show that Semplore is an efficient and effective system for searching the Web of Data and can be used as a basic infrastructure for Web-scale Semantic Web search engines.
- Source
- Web semantics: science, services and agents on the World Wide Web. 7(2009) no.3, S.177-188
- Theme
- Semantic Web
-
Zhang, L.; Liu, Q.L.; Zhang, J.; Wang, H.F.; Pan, Y.; Yu, Y.: Semplore: an IR approach to scalable hybrid query of Semantic Web data (2007)
0.02
0.018461186 = product of:
0.0861522 = sum of:
0.057825863 = weight(_text_:web in 231) [ClassicSimilarity], result of:
0.057825863 = score(doc=231,freq=22.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.59793836 = fieldWeight in 231, product of:
4.690416 = tf(freq=22.0), with freq of:
22.0 = termFreq=22.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.0390625 = fieldNorm(doc=231)
0.013347364 = weight(_text_:information in 231) [ClassicSimilarity], result of:
0.013347364 = score(doc=231,freq=14.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.256578 = fieldWeight in 231, product of:
3.7416575 = tf(freq=14.0), with freq of:
14.0 = termFreq=14.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=231)
0.014978974 = weight(_text_:retrieval in 231) [ClassicSimilarity], result of:
0.014978974 = score(doc=231,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.16710453 = fieldWeight in 231, 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=231)
0.21428572 = coord(3/14)
- Abstract
- As an extension to the current Web, Semantic Web will not only contain structured data with machine understandable semantics but also textual information. While structured queries can be used to find information more precisely on the Semantic Web, keyword searches are still needed to help exploit textual information. It thus becomes very important that we can combine precise structured queries with imprecise keyword searches to have a hybrid query capability. In addition, due to the huge volume of information on the Semantic Web, the hybrid query must be processed in a very scalable way. In this paper, we define such a hybrid query capability that combines unary tree-shaped structured queries with keyword searches. We show how existing information retrieval (IR) index structures and functions can be reused to index semantic web data and its textual information, and how the hybrid query is evaluated on the index structure using IR engines in an efficient and scalable manner. We implemented this IR approach in an engine called Semplore. Comprehensive experiments on its performance show that it is a promising approach. It leads us to believe that it may be possible to evolve current web search engines to query and search the Semantic Web. Finally, we briefy describe how Semplore is used for searching Wikipedia and an IBM customer's product information.
- Source
- Proceeding ISWC'07/ASWC'07 : Proceedings of the 6th international The semantic web and 2nd Asian conference on Asian semantic web conference. Ed.: K. Aberer et al
- Theme
- Semantic Web
-
Zhang, L.; Pan, Y.; Zhang, T.: Focused named entity recognition using machine learning (2004)
0.01
0.013739307 = product of:
0.06411677 = sum of:
0.012107591 = weight(_text_:information in 4086) [ClassicSimilarity], result of:
0.012107591 = score(doc=4086,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.23274569 = fieldWeight in 4086, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=4086)
0.03594954 = weight(_text_:retrieval in 4086) [ClassicSimilarity], result of:
0.03594954 = score(doc=4086,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.40105087 = fieldWeight in 4086, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.09375 = fieldNorm(doc=4086)
0.016059637 = product of:
0.04817891 = sum of:
0.04817891 = weight(_text_:22 in 4086) [ClassicSimilarity], result of:
0.04817891 = score(doc=4086,freq=2.0), product of:
0.103770934 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.029633347 = queryNorm
0.46428138 = fieldWeight in 4086, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.09375 = fieldNorm(doc=4086)
0.33333334 = coord(1/3)
0.21428572 = coord(3/14)
- Date
- 15.10.2005 19:57:22
- Source
- SIGIR'04: Proceedings of the 27th Annual International ACM-SIGIR Conference an Research and Development in Information Retrieval. Ed.: K. Järvelin, u.a
-
Liu, X.; Guo, C.; Zhang, L.: Scholar metadata and knowledge generation with human and artificial intelligence (2014)
0.01
0.012177391 = product of:
0.056827825 = sum of:
0.020922182 = weight(_text_:web in 1287) [ClassicSimilarity], result of:
0.020922182 = score(doc=1287,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.21634221 = fieldWeight in 1287, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.046875 = fieldNorm(doc=1287)
0.0104854815 = weight(_text_:information in 1287) [ClassicSimilarity], result of:
0.0104854815 = score(doc=1287,freq=6.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.20156369 = fieldWeight in 1287, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=1287)
0.025420163 = weight(_text_:retrieval in 1287) [ClassicSimilarity], result of:
0.025420163 = score(doc=1287,freq=4.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.2835858 = fieldWeight in 1287, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.046875 = fieldNorm(doc=1287)
0.21428572 = coord(3/14)
- Abstract
- Scholar metadata have traditionally centered on descriptive representations, which have been used as a foundation for scholarly publication repositories and academic information retrieval systems. In this article, we propose innovative and economic methods of generating knowledge-based structural metadata (structural keywords) using a combination of natural language processing-based machine-learning techniques and human intelligence. By allowing low-barrier participation through a social media system, scholars (both as authors and users) can participate in the metadata editing and enhancing process and benefit from more accurate and effective information retrieval. Our experimental web system ScholarWiki uses machine learning techniques, which automatically produce increasingly refined metadata by learning from the structural metadata contributed by scholars. The cumulated structural metadata add intelligence and automatically enhance and update recursively the quality of metadata, wiki pages, and the machine-learning model.
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.6, S.1187-1201
-
Zhang, L.: ¬The knowledge organization education within and beyond the master of library and information science (2023)
0.01
0.005610279 = product of:
0.03927195 = sum of:
0.032137483 = weight(_text_:wide in 1127) [ClassicSimilarity], result of:
0.032137483 = score(doc=1127,freq=2.0), product of:
0.1312982 = queryWeight, product of:
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.029633347 = queryNorm
0.24476713 = fieldWeight in 1127, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.4307585 = idf(docFreq=1430, maxDocs=44218)
0.0390625 = fieldNorm(doc=1127)
0.0071344664 = weight(_text_:information in 1127) [ClassicSimilarity], result of:
0.0071344664 = score(doc=1127,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.13714671 = fieldWeight in 1127, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=1127)
0.14285715 = coord(2/14)
- Abstract
- By analyzing 63 English-speaking institutions that offer ALA-accredited master's programs in library and information studies, this research aims to explore the education for knowledge organization (KO) at different levels and across fields. This research examines the KO courses that are the required courses and elective courses in the MLIS programs, that are offered in other master's programs and graduate certificate programs, that are adapted to the undergraduate degree and certificate programs, and that are particularly developed for programs other than MLIS. The findings indicate that the great majority of MLIS programs still have a focus on or a significant component of knowledge organization as their required course and include the knowledge organization elective courses, particularly library cataloging and classification, on their curriculum. However, there is a variety of the offerings of KO related courses across the programs in an institution or in the same program across the institutions. It shows a promising trend that the traditional and new KO courses play an important role in many other programs, at different levels and across fields. With the conventional, adapted, or innovative content, these courses demonstrate that the principles and skills of knowledge organization are applicable to a wide variety of settings, can be integrated with other disciplinary knowledge and emerging technologies, and meet the needs of different career pathways and groups of learners.
-
Zhang, L.: Linking information through function (2014)
0.01
0.0054349857 = product of:
0.0380449 = sum of:
0.020922182 = weight(_text_:web in 1526) [ClassicSimilarity], result of:
0.020922182 = score(doc=1526,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.21634221 = fieldWeight in 1526, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.046875 = fieldNorm(doc=1526)
0.01712272 = weight(_text_:information in 1526) [ClassicSimilarity], result of:
0.01712272 = score(doc=1526,freq=16.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.3291521 = fieldWeight in 1526, product of:
4.0 = tf(freq=16.0), with freq of:
16.0 = termFreq=16.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=1526)
0.14285715 = coord(2/14)
- Abstract
- How information resources can be meaningfully related has been addressed in contexts from bibliographic entries to hyperlinks and, more recently, linked data. The genre structure and relationships among genre structure constituents shed new light on organizing information by purpose or function. This study examines the relationships among a set of functional units previously constructed in a taxonomy, each of which is a chunk of information embedded in a document and is distinct in terms of its communicative function. Through a card-sort study, relationships among functional units were identified with regard to their occurrence and function. The findings suggest that a group of functional units can be identified, collocated, and navigated by particular relationships. Understanding how functional units are related to each other is significant in linking information pieces in documents to support finding, aggregating, and navigating information in a distributed information environment.
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.11, S.2293-2305
- Theme
- Semantic Web
-
Zhang, L.; Rousseau, R.; Glänzel, W.: Document-type country profiles (2011)
0.01
0.0051382817 = product of:
0.035967972 = sum of:
0.027896244 = weight(_text_:web in 4487) [ClassicSimilarity], result of:
0.027896244 = score(doc=4487,freq=2.0), product of:
0.09670874 = queryWeight, product of:
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.029633347 = queryNorm
0.2884563 = fieldWeight in 4487, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2635105 = idf(docFreq=4597, maxDocs=44218)
0.0625 = fieldNorm(doc=4487)
0.008071727 = weight(_text_:information in 4487) [ClassicSimilarity], result of:
0.008071727 = score(doc=4487,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.1551638 = fieldWeight in 4487, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0625 = fieldNorm(doc=4487)
0.14285715 = coord(2/14)
- Abstract
- A bibliometric method for analyzing and visualizing national research profiles is adapted to describe national preferences for publishing particular document types. Similarities in national profiles and national peculiarities are discussed based on the publication output of the 26 most active countries indexed in the Web of Science annual volume 2007.
- Source
- Journal of the American Society for Information Science and Technology. 62(2011) no.7, S.1403-1411
-
Zhang, L.: Grasping the structure of journal articles : utilizing the functions of information units (2012)
0.00
0.00359322 = product of:
0.025152538 = sum of:
0.01712272 = weight(_text_:information in 65) [ClassicSimilarity], result of:
0.01712272 = score(doc=65,freq=16.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.3291521 = fieldWeight in 65, product of:
4.0 = tf(freq=16.0), with freq of:
16.0 = termFreq=16.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=65)
0.008029819 = product of:
0.024089456 = sum of:
0.024089456 = weight(_text_:22 in 65) [ClassicSimilarity], result of:
0.024089456 = score(doc=65,freq=2.0), product of:
0.103770934 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.029633347 = queryNorm
0.23214069 = fieldWeight in 65, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=65)
0.33333334 = coord(1/3)
0.14285715 = coord(2/14)
- Abstract
- Few studies have been done concerning document components and their effects on information use. This research empirically tested a taxonomy of functional units in a prototype journal system. This taxonomy was developed by identifying functions of the smallest information units within four journal article components (i.e., introduction, methods, results, discussion), and their associations with information tasks of using journal articles. Experimental results show that functional units can be utilized in supporting navigation, close reading, comprehension, and information use of journal articles to various extents. The results provide evidence that an individual functional unit has varying relevance to information use tasks, and has varying relevance to other functional units in the same or another component for a particular task. This research suggests that the information within a journal article can be organized and presented by functions to enhance effectiveness and efficiency in reading process and reading outcome.
- Date
- 6. 4.2012 18:43:22
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.3, S.469-480
-
Zhang, L.; Lu, W.; Yang, J.: LAGOS-AND : a large gold standard dataset for scholarly author name disambiguation (2023)
0.00
0.001676621 = product of:
0.011736346 = sum of:
0.0050448296 = weight(_text_:information in 883) [ClassicSimilarity], result of:
0.0050448296 = score(doc=883,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.09697737 = fieldWeight in 883, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=883)
0.0066915164 = product of:
0.020074548 = sum of:
0.020074548 = weight(_text_:22 in 883) [ClassicSimilarity], result of:
0.020074548 = score(doc=883,freq=2.0), product of:
0.103770934 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.029633347 = queryNorm
0.19345059 = fieldWeight in 883, 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=883)
0.33333334 = coord(1/3)
0.14285715 = coord(2/14)
- Date
- 22. 1.2023 18:40:36
- Source
- Journal of the Association for Information Science and Technology. 74(2023) no.2, S.168-185
-
Zhang, L.; Thijs, B.; Glänzel, W.: What does scientometrics share with other "metrics" sciences? (2013)
0.00
8.153676E-4 = product of:
0.011415146 = sum of:
0.011415146 = weight(_text_:information in 960) [ClassicSimilarity], result of:
0.011415146 = score(doc=960,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.21943474 = fieldWeight in 960, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0625 = fieldNorm(doc=960)
0.071428575 = coord(1/14)
- Abstract
- In this article, the authors answer the question of whether the field of scientometrics/bibliometrics shares essential characteristics of "metrics" sciences. To achieve this objective, the citation network of seven selected metrics and their information environment is analyzed.
- Source
- Journal of the American Society for Information Science and Technology. 64(2013) no.7, S.1515-1518
-
Zhang, L.; Olson, H.A.: Distilling abstractions : genre redefining essence versus context (2015)
0.00
6.115257E-4 = product of:
0.00856136 = sum of:
0.00856136 = weight(_text_:information in 5536) [ClassicSimilarity], result of:
0.00856136 = score(doc=5536,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.16457605 = fieldWeight in 5536, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.046875 = fieldNorm(doc=5536)
0.071428575 = coord(1/14)
- Content
- Beitrag in einem Themenheft: 'Exploring Philosophies of Information'.
- Theme
- Information
-
Glänzel, W.; Rousseau, D.; Zhang, L.: ¬A visual representation of relative first-citation times (2012)
0.00
5.7655195E-4 = product of:
0.008071727 = sum of:
0.008071727 = weight(_text_:information in 285) [ClassicSimilarity], result of:
0.008071727 = score(doc=285,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.1551638 = fieldWeight in 285, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0625 = fieldNorm(doc=285)
0.071428575 = coord(1/14)
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.7, S.1420-1425
-
Lai, M.-S.; Fan, Z.; Zhang, L.: ¬The development, current state, and effects of community informatization in mainland China : dreaming scientific order at the fin de siècle (2013)
0.00
5.04483E-4 = product of:
0.0070627616 = sum of:
0.0070627616 = weight(_text_:information in 5554) [ClassicSimilarity], result of:
0.0070627616 = score(doc=5554,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.13576832 = fieldWeight in 5554, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0546875 = fieldNorm(doc=5554)
0.071428575 = coord(1/14)
- Abstract
- In recent years, community informatization initiatives have developed throughout mainland China. The meaning of "community informatization" in China is similar to "community informatics" in the U.S. This paper aims to investigate the current state of community informatization in mainland China-with a focus on best practices, major challenges, patterns of development, developing trends, and effects. Comparing the theory and practice of China's community informatization to community informatics in other countries, especially in the U.S. and Europe, this paper asks: can government-sponsored or independent informatization efforts bridge the digital divide and help China realize digital-or information-equity?
-
Zhang, L.; Rousseau, R.; Glänzel, W.: Diversity of references as an indicator of the interdisciplinarity of journals : taking similarity between subject fields into account (2016)
0.00
3.6034497E-4 = product of:
0.0050448296 = sum of:
0.0050448296 = weight(_text_:information in 2902) [ClassicSimilarity], result of:
0.0050448296 = score(doc=2902,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.09697737 = fieldWeight in 2902, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=2902)
0.071428575 = coord(1/14)
- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.5, S.1257-1265
-
Kulczycki, E.; Huang, Y.; Zuccala, A.A.; Engels, T.C.E.; Ferrara, A.; Guns, R.; Pölönen, J.; Sivertsen, G.; Taskin, Z.; Zhang, L.: Uses of the Journal Impact Factor in national journal rankings in China and Europe (2022)
0.00
3.6034497E-4 = product of:
0.0050448296 = sum of:
0.0050448296 = weight(_text_:information in 769) [ClassicSimilarity], result of:
0.0050448296 = score(doc=769,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.09697737 = fieldWeight in 769, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=769)
0.071428575 = coord(1/14)
- Source
- Journal of the Association for Information Science and Technology. 73(2022) no.12, S.1741-1754
-
Zhang, L.; Gou, Z.; Fang, Z.; Sivertsen, G.; Huang, Y.: Who tweets scientific publications? : a large-scale study of tweeting audiences in all areas of research (2023)
0.00
3.6034497E-4 = product of:
0.0050448296 = sum of:
0.0050448296 = weight(_text_:information in 1189) [ClassicSimilarity], result of:
0.0050448296 = score(doc=1189,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.09697737 = fieldWeight in 1189, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0390625 = fieldNorm(doc=1189)
0.071428575 = coord(1/14)
- Source
- Journal of the Association for Information Science and Technology. 74(2023) no.13, S.1485-1497
