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2013 | nr 2 (28) | 71--99
Tytuł artykułu

The Impact of Relevance Feedback on Web-Based Information Retrieval for Horizon Scanning Applications

Treść / Zawartość
Warianty tytułu
Wpływ trafności sprzężenia zwrotnego wyszukiwania informacji w sieci Web na aplikacje monitorowania przestrzeni
Języki publikacji
EN
Abstrakty
Monitorowanie przestrzeni coraz częściej jest traktowane jako instrument wspierania strategicznego podejmowania decyzji. To wymaga systematycznej analizy danych w celu identyfikacji potencjalnych zagrożeń i szans w celu poprawy elastyczności i zmniejszenia ryzyka. Monitorowanie przestrzeni może korzystać z różnych technik wyszukiwawczych, aby poszerzyć możliwość pozyskiwania danych, choć wiąże się to z przeszukiwaniem nowych oraz pojawiających się wcześniej nie znanych zagadnień. Aby zoptymalizować takie poszukiwania, proponujemy użycie odpowiedniego sprzężenia zwrotnego, co wiąże się z interakcją w procesie wyszukiwania informacji w taki sposób, aby poprawić wyniki. Udowadniając koncepcję, zaprezentowano przeprowadzone monitorowania przestrzeni, które wykazały, że nasze wykorzystanie trafności sprzężenia zwrotnego dla aplikacji monitorowania przestrzeni pozwala utrzymać pobieranie odpowiednich dokumentów na całej długości eksperymentu na stałym poziomie. Oznacza to poprawę względem poprzednich badań, w których trafność sprzężenia zwrotnego nie była rozpatrywana.(abstrakt oryginalny)
EN
Horizon scanning is being increasingly regarded as an instrument to support strategic decision making. It requires the systematic examination of data to identify potential threats and opportunities to improve resilience and decrease risk exposure. Horizon scanning may benefit from various retrieval techniques to augment the acquisition of data, though this involves a search for novel and emerging issues without knowing them beforehand. To optimise such a search, we propose the use of relevance feedback, which involves human interaction in the retrieval process so as to improve the results. As a proof-of-concept demonstration, we have carried out a horizon scanning exercise which showed that our utilisation of relevance feedback for horizon scanning applications was able to maintain the retrieval of relevant documents constant over the entire length of the experiment, without any reduction. This represents an improvement over previous studies where relevance feedback was not considered.(original abstract)
Rocznik
Numer
Strony
71--99
Opis fizyczny
Twórcy
  • University of Exeter Medical School, United Kingdom
autor
  • University of Exeter Medical School, United Kingdom
  • Science and Technology Facilities Council, United Kingdom
  • RAL Space, United Kingdom
autor
  • University of Exeter Business School, United Kingdom
  • University of Exeter Business School, United Kingdom
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.ekon-element-000171266825

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