• Title/Summary/Keyword: Feature Expansion

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Experimental research on the evolution characteristics of displacement and stress in the formation of reverse faults

  • Chen, Shao J.;Xia, Zhi G.;Yin, Da W.;Du, Zhao W.
    • Geomechanics and Engineering
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    • v.23 no.2
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    • pp.127-137
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    • 2020
  • To study the reverse fault formation process and the stress evolution feature, a simulation test system of reverse fault formation is developed based on the analysis of reverse fault formation mechanism. The system mainly consists of simulation laboratory module, operation console and horizontal loading control system, and data monitoring system. It can represent the fault formation process, induce fault crack initiation and simulate faults of different throws. Simulation tests on reverse fault formation process are conducted by using the simulation test system: horizontal loading is added to one side of the model. the bottom rock layer cracks under the effect of the induction device. The crack dip angle is about 29°. A reverse fault is formed with the expansion of the crack dip angle towards the upper right along the fracture surface and the slippage of the hanging wall over the foot wall. Its formation process unfolds five stages: compressive deformation of rock, local crack initiation, reverse fault penetration, slippage of the hanging wall over the foot wall and compaction of fault plane. There is residual structural stress inside rock after fault formation. The study methods and results have guiding and referential significance for further study on reverse fault formation mechanism and rock stress evolution.

Stereotype Femininity Expressed in Fashion Illustration (패션 일러스트레이션에 표현된 스테레오타입 여성성)

  • Lee, Kyung-Ah;Geum, Key-Sook
    • The Research Journal of the Costume Culture
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    • v.19 no.2
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    • pp.430-448
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    • 2011
  • This study analyzes the stereotyped femininity with a focus on body codes, which has been continuously expressed in fashion illustrations from the late $19^{th}$ century to the year 2010, and examines the changes in its meaning. Stereotyped femininity was reorganized by the changes in female sex role effected by social changes, as well as by the body discourse and feminism in the late $20^{th}$ century, These socio-cultural backgrounds led to the change in the meaning of stereotyped women expressed in fashion illustrations. The stereotyped women in fashion illustrations are characterized by gender-oriented body, and the typical image of women was reproduced with the marks of poses and looks that feature passiveness and subordination. Then, the gender-oriented body since 1990's shifted to active meaning that positively revealed sexual desire. The space positioned by women is also the symbol of gender. In line with changes over time, the backgrounds in fashion illustrations have changed from private space such as home and nature to public space such as city, which reflects diversification and expansion of space for women. This study has identified the changes in meaning, based on the analysis of the characteristics of stereotyped women expressed in fashion illustrations. Above all, women who were objectified as a subject by dominant discourse have established the concept of active body as an entity. In addition, the symbol of typical femininity is "slim" and "beauty", which reflects the change from the emphasis on childbirth-related femininity to self-control and conquer. On the other hand, the typical features expressed through body have reproduced dichotomous structure, but the emergence of body and background deviated from gender has reorganized the symbolic order of gender.

Expansion of Word Representation for Named Entity Recognition Based on Bidirectional LSTM CRFs (Bidirectional LSTM CRF 기반의 개체명 인식을 위한 단어 표상의 확장)

  • Yu, Hongyeon;Ko, Youngjoong
    • Journal of KIISE
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    • v.44 no.3
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    • pp.306-313
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    • 2017
  • Named entity recognition (NER) seeks to locate and classify named entities in text into pre-defined categories such as names of persons, organizations, locations, expressions of times, etc. Recently, many state-of-the-art NER systems have been implemented with bidirectional LSTM CRFs. Deep learning models based on long short-term memory (LSTM) generally depend on word representations as input. In this paper, we propose an approach to expand word representation by using pre-trained word embedding, part of speech (POS) tag embedding, syllable embedding and named entity dictionary feature vectors. Our experiments show that the proposed approach creates useful word representations as an input of bidirectional LSTM CRFs. Our final presentation shows its efficacy to be 8.05%p higher than baseline NERs with only the pre-trained word embedding vector.

Product Evaluation Summarization Through Linguistic Analysis of Product Reviews (상품평의 언어적 분석을 통한 상품 평가 요약 시스템)

  • Lee, Woo-Chul;Lee, Hyun-Ah;Lee, Kong-Joo
    • The KIPS Transactions:PartB
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    • v.17B no.1
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    • pp.93-98
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    • 2010
  • In this paper, we introduce a system that summarizes product evaluation through linguistic analysis to effectively utilize explosively increasing product reviews. Our system analyzes polarities of product reviews by product features, based on which customers evaluate each product like 'design' and 'material' for a skirt product category. The system shows to customers a graph as a review summary that represents percentages of positive and negative reviews. We build an opinion word dictionary for each product feature through context based automatic expansion with small seed words, and judge polarity of reviews by product features with the extracted dictionary. In experiment using product reviews from online shopping malls, our system shows average accuracy of 69.8% in extracting judgemental word dictionary and 81.8% in polarity resolution for each sentence.

Changes in National-Level Locational Pattern of Professional Sports Franchises in the U.S. during 1950-2001 : Focusing on Four Major Sports Leagues (미국 프로스포츠 프랜차이즈의 입지패턴과 그 변화양상(1950-2001))

  • Pillsung Byun;Ahn, Young-Jin
    • Journal of the Korean Geographical Society
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    • v.37 no.5
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    • pp.498-510
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    • 2002
  • This study has the following two focuses to analyze the changes in national-level locational pattern of the U.S. professional sports franchises during 1950-2001. The first is to empirically clarify spatial orientation in the changing locational pattern of sports franchises. The second is to identify compared characteristics of the relocation cases reflecting the orientation to other cases, for the variables indicative of franchises' and leagues' pursuits of their relocation-related interests ultimately affecting franchises' relocations, by employing a legit model. As a result of the analyses, sports franchises and leagues, respectively have shown spatial orientation toward relocating to and toward locating new franchises in southern and western areas, responding to the changes in U.S. urbanization pattern. And, relocation cases reflecting the orientation have displayed a feature of the higher annual population growth rate in destination urban area than in origin area, in comparison to other cases.

Kinematics and Geometrical Structure of the Planetary Nebula NGC 6881 (행성상 성운 NGC 6881의 운동학적 특성과 기하학적 구조)

  • Lee, Sang-Min;Hyung, Siek
    • Journal of the Korean earth science society
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    • v.28 no.7
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    • pp.847-856
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    • 2007
  • The Planetary nebula NGC 6881 displays quadrupole morphology and it also has a jet feature in its image. We investigated the line profiles of the optical region spectral emission lines, using the Hamilton Echelle Spectrograph (HES) at the Lick observatory. The HES data obtained in this study was the radiation coming from the inner region within the diameter of 4 second of arc. Expansion velocity was obtained, based on the strong emission line profiles of e.g. H, Hel, Hell, [OIII], [NII], [ArIII], [SII], and [SIII}, using the IRAF and StarLink/Dipso reduction packages. The HI recombination lines showed one single peak profile, while the He and forbidden strong lines displayed double peaks. The results of this study show that the outflow velocity of gas increases radially outwards due to the central stellar radiation pressure. It was concluded that three central rings appeared in the HST image are the result of a combined structure of bipolar cones (seen in e.g. HI lines) and a ring (seen in He, [SIII] lines) in projection.

Experimental Analysis of RAID Architecture for Real-Time Multimedia Data (실시간 멀티미디어 데이터를 위한 RAID 구조의 실측 분석)

  • Jeon, Sang-Hoon;Ahn, Byoung-Chul
    • The KIPS Transactions:PartB
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    • v.9B no.2
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    • pp.191-198
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    • 2002
  • Recently, Usage of multimedia server is rapidly increased with expansion of internet that real-time displaying service for multimedia data, MPEG and etc. For these multimedia real-time applications, it is necessary to use a disk array as a storage system. For providing requested service to much more clients at the same time in a multimedia data storage server, considerable varied strategies in a several parts. But especially it is important feature to various parameters for disk array such as relation of striping block size as a system environment and characteristics of video data. In this paper, we implemented real environment of multimedia server which provides MPEG-1 files and evaluated the suitable storage system architectures by applying synthetically generated workloads in the various parameters for disk array.

Promotion of Regional Trade Agreement and Korea's Anti-dumping Countermeasure (지역무역협정의 확대와 한국의 반덤핑제도 대응전략)

  • Oh, Moon-Kap
    • International Commerce and Information Review
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    • v.15 no.2
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    • pp.233-260
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    • 2013
  • Regional Trade Agreements(RTAs) are a prominent feature of the multilateral trading system and have been an important trade policy tool for WTO Members. RTAs has been steadily increasing over the last ten years and this trend will be further strengthened by the many RTAs being proposed and those currently under negotiation. There has been a recent increase in the Regional Trade Agreement (RTA) making it necessary to determine the most effective method for taking advantage of anti-dumping measures between member countries of the RTA. Due to the complexity of anti-dumping laws and abuse of discretion by each nation, however, the basic goal of the RTA has not come to fruition. The results of this study found that the strengthening of anti-dumping measures in the RTA is desirable. A plan to use competition instead of anti-dumping measures must be implemented. For Korea, it will be necessary to develop the fundamentals for the globalization of competitive rules to keep pace with the continuous expansion of FTA.

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THE EFFECT OF TENSILE FORCE ON DNA AND PROTEIN SYNTHESIS IN BONE CELLS (인장력이 골조직 세포군의 DNA 및 단백합성에 미치는 영향)

  • Kwon, Oh-Sun;Kim, Sang-Cheol
    • The korean journal of orthodontics
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    • v.24 no.4 s.47
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    • pp.933-943
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    • 1994
  • The present study was undertaken to determine the effect of tensile force on DNA and protein biosynthesis in bone cells, and to identify the cell type(s) which primarily respond to external physical force among the heterogenous bone cell populations. As a prerequisite for this study, two bone cell populations which retain fibroblastic and osteoblastic feature were isolated from fetal rat calvaria with sequential enzyme digestion scheme. Tensile force was delivered to each bone cell population by two acrylic resin plates connected with a orthodontic expansion screw during culture period. Rate of DNA and protein synthesis in each bone cell population were assessed by the incorporated radioactivity of $[^3H]-thymidine$ into DNA and $[^3H]-proline$ into fraction of collagenase-digestible protein and noncollagenous protein, respectively. DNA synthesis of osteoblast-like calvarial cell populations was increased significantly by the application of tensile force for 24 hours. In contrast, no alteration in DNA synthesis of fibroblast-like populations could be observed in response to applied force. Tensile force induced the change in protein synthesis of bone cell populations with the same pattern. Total protein and collagen synthesis were increased whithin 24 hours in osteoblast-like populations, but not in fibroblast-like populations by tensile force application. These findings indicate that physical force can affect cellullar activity of the particular cell population, not all cell Populations residing in bone and osteoblasts respond more sensitively than fibroblasts. So osteoblasts can modulate the behavior of other bone cells including osteoclasts by producing several local regulating factors of bone metabolism. In this context, preferential responsiveness of osteoblasts to applied tensile force observed in this study suggests that osteoblasts may play an important role in regulation of physical force-induced remodelling process.

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Efficient Establishment of Protected Areas in Pyoungchang County, Kangwon Province to Support Spatial Decision Making (강원도 평창지역의 보호지역 확대를 위한 공간의사결정 지원방안)

  • Mo, Yongwon;Lee, Dong-Kun;Kim, Hogul;Baek, Gyounghye;Nam, Sangjun
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.1
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    • pp.171-180
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    • 2013
  • As the second-largest 1st degree of ecological zone in Kangwon Province, Pyeongchang County is expected to play an important role in expanding the protected areas of the Republic of Korea. However, Pyoungchang County is expected to experience an increase in demand for development due to the 2018 Winter Olympics. Problems related to various stakeholders and limited budget will arise regarding the issue of expanding the protected areas. In this study, in order to effectively control these problems, we designed expansion plans for the 1st degree ecological zoning map areas and the observed data of threatened species I and II in Pyoungchang County by using the MARXAN Software. As for the methods, we first set the planning units(PUs) for the spatial analysis. The PUs include boundary length, land cost, land status, etc. Then, we made the input data by controlling the conservation features, BLM(Boundary Length Modifier) and iteration numbers. There are two measures for the establishment of the protected areas, one of which only concerns with the ecological priority, and the other with combining the land cost on forest. The one illustrated shows that the larger patches that include the conservation feature was selected as a candidate of the protected areas. The other one presented shows that inexpensive land cost areas were selected. As this study produces visual results and enables an efficient application of various values in selecting protected areas, we believe that it will be useful to various stakeholders in spatial decision-making process.