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Learning Content Models for Semantic Search

Learning Content Models for Semantic Search . Eran Peer Hila Shalom. Contents. Problem Domain Current Situation Proposed Solution A Visual Example System architecture Main Functional Requirements Main Non-Functional Requirements Major Use-Cases Rival Technology.

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Learning Content Models for Semantic Search

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  1. Learning Content Models for Semantic Search Eran Peer Hila Shalom

  2. Contents • Problem Domain • Current Situation • Proposed Solution • A Visual Example • System architecture • Main Functional Requirements • Main Non-Functional Requirements • Major Use-Cases • Rival Technology

  3. Problem Domain Users who do not know exactly what they are looking for in a repository, so they find it difficult to describe the topic that interests them. The program will allow such people to effectively and conveniently navigate the database, through an interactive process combining search and browse.

  4. Current Situation Existing search engines provide powerful features to identify known documents by using a short description of their content (keywords, name of document). But what happens when the user does not know the name of the term he is looking for, or when the term the user enters has several meanings.

  5. Proposed Solution • The user can enter text (as long as he wants) as query. • Each result of the query will be labeled with its topic. • A hierarchy of the relevant topics tree will be displayed as addition to the result.

  6. A Visual Example הקש טקסט לחיפוש חפש

  7. A Visual Example הקש טקסט לחיפוש כואב לי הראש, יש לי צמרמורות וחולשה חפש

  8. A Visual Example-The Current Result

  9. A Visual Example-Our Ambition תוצאות עבור החיפוש"כואב לי הראש, יש לי צמרמורות וחולשה": • כאב ראש חזק ומתמשך שמצריך בירור • כל מה שרציתם לדעת על: אני בת 29, בריאה בדרך כלל, למעט ניתוחים אורתופדיים שעברתי ביד בעקבות שבר. בחודש האחרון התחילו להופיע אצלי כאבי ראש בעוצמה מאוד חזקה. • נושא:כאבי ראש כרוניים, ניתוחים אורתופדיים בגפיים כאבי ראש בילדים התלונה על כאבי ראש שכיחה אצל ילדים והיא עלולה להופיע כבר בגיל שנתיים, ללא קשר עם הופעת חום או מחלה נלווית אחרת. כאב ראש מתמשך אצל ילדים... נושא:כאבים שונים אצל ילדים, תופעות לוואי של תרופות לילדים, כאבי ראש כרוניים • עץ נושאים: • רפואת ילדים • כאבים שונים אצל ילדים • מחלות נגיפיות בקרב ילדים • חום אצל ילדים • כאבים כרוניים • כאבי ראש כרוניים • כאבי בטן חוזרים

  10. System architecture

  11. Main Functional Requirements • End users: the user enters a query in natural language. The user gets an answer that helps him navigate and understand the structure of the corpus. • Content manager: gets new documents and add them to a repository. • Administrator: gets statistics from the use of the system, learn from them and update the hierarchical division to topics accordingly.

  12. Main Non-Functional Requirements • The system works interactively with the users. • The inputs come from the users. • At our simulation, we will use beta-users that will use the system and will help us make it more user-friendly. • The user should understand how to use the system in 10 minutes. • The user can prepare the input in 10 seconds. • The user can interpret the output in 2.5 minutes.

  13. Major Use-Cases End User Navigating the system Entering text as query <<include>> <<include>> Context Manager Delete texts in the repository Entering a new text to the repository System Manager Production statistics Updating The topic model Rearrange the hierarchy

  14. Rival Technology

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