SEMANTIC CLUSTERING AND SPATIAL HYPERTEXT...References Generative Semantic Clustering in Spatial...
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SEMANTIC CLUSTERING AND SPATIAL HYPERTEXT
CMSC-676
- Pranav Ganore
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INTRODUCTION:Spatial Hypertext■ Hypertext is text which contains links to other texts. ■ The term was coined by Ted Nelson around 1965.■ What is its most famous implementation ?
■ What is Spatial Hypertext ? And why it emerged ?– Widespread use of hypertext led to readers getting lost or confused.– NoteCard’s (Browser Card’s) – network map rather than document viewer.– gIBIS , Aquanet – visual networks containing typed links and nodes.– Move from document centered hypertext systems to Map based hypertext
systems.– Relationship between nodes & Node Proximity.– VIKI/VKB, StorySpace, TinderBox
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Benefits of Spatial Hypertext.
It takes advantage of people's considerable visual recognition and
intelligence
Visual Memory & Pattern Recognition
Enables the expression of relation variations
It facilitates constructive ambiguity
It supports emerging problem-solving strategies
It reduces overhead in communicating with others
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INTRODUCTION:Semantic Clustering
Semantic Clustering groups semantically
equivalent search queries — words, phrases and
sentences — into clusters based on meaning.
The higher the number of questions, words and phrases with a similar
meaning, the greater the cluster.
When is Semantic Clustering used?
Unsatisfactory search results ? – customers react negatively !!No precise/incorrect answers
for clusters - Serve as good indicators of missing
information.
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Generative Semantic Clustering in Spatial Hypertext
Need to discover methods for generating semantically meaningful document layouts
to help people organize information according to their own significant criteria.
A Generative System – Ideally collects articles & elements that are most relevant to the user and organize
these elements to facilitate browsing, understanding & discovering.
Information Triage - The process of sorting through relevant
materials and organizing them to meet the needs of the task at hand.
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Processes involved:
Information Triage defined as the process of sorting through relevant materials and organizing them to meet the needs of the task at hand.
Individual & Context specific Approach
Quantifying distinguishing useful features.
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CombinFormationA mixed initiative
systemhttps://ecologylab.net/combinFormation/about.html
System for browsing, searching, and collecting information elements in an information space.
Initiatives : System’s generative actions & User’s direct manipulation actions.
Proactively collects information from information sources.
Concurrently generates a Spatial Hypertext.
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Generative Semantic Clustering in Spatial Hypertext
Placement Algorithm
Feature Extraction
Semantic Clustering : Relatedness Potential
Interactive Mechanisms : Latching & Re-cluster Operations
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Conclusions
■ Suitability of “Relatedness Potential”.
■ Organizes information in Spatial Hypertext with less efforts
■ Can be used to segregate or aggregate the information elements from different elements.
■ Can be used to translate an unorganized collection of bookmarks into semantically clustered spatial hypertext .
■ Preliminary evaluations showed participants preferred the clustered documents.
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Thank You!!
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References
■ Generative Semantic Clustering in Spatial Hypertext. Andruid Kerne, Eunyee Koh, Vikram Sundaram, J. Michael Mistrot Interface Ecology Lab Center for Study of Digital Libraries | Computer Science Department Texas A&M University, College Station, TX 77843, USA
■ Card, S.K., Mackinlay, J.D., Shneiderman, B. Readings in Information Visualization. Using Vision to Think. Morgan Kaufmann Publishers, Inc, San Francisco, CA, 1999
■ Spatial Hypertext: An Alternative to Navigational and Semantic Links http://cs.brown.edu/memex/ACM_HypertextTestbed/papers/37.html
■ A Spatial Hypertext Wiki for Architectural Knowledge Management | Carlos Solís, ShyWiki Organization, Mexico City, Mexico | [email protected] Nour Ali, Muhammad Ali Babar, Lero, University of Limerick, Limerick-Ireland {Nour.Ali, Muhammad.AliBabar}@lero.ie
■ Web Visualization of Temporal and Spatial Health Data from Smartphone App in Smart and Connected Community (SCC) | Sharmin Afroz, Electrical and Computer Engineering, University of Memphis, Memphis, TN 38452 USA, [email protected] | Bashir I. Morshed, Electrical and Computer Engineering, University of Memphis, Memphis, TN 38152 USA, [email protected]
■ https://natematias.com/mapViewer/note.php?id=3271618269
■ http://www.eastgate.com/storyspace/index.html
■ https://www.csdl.tamu.edu/ensemble/?page_id=123/
■ https://ecologylab.net/combinFormation/about.html
■ https://www.inbenta.com/en/technology/ai-nlp/semantic-clustering/
■ https://en.wikipedia.org/wiki/Hypertext