Information Consolidation
(Funding Period: 2014 - 2021)

A New Paradigm in Knowledge Search (DIP project)


Although existing search engines are effective in identifying relevant documents among bilions on non-relevant ones, they remain weak at isolating the facts of users' interest within these documents, let alone organizing and presenting this knowledge intuitively and concisely. Searchers have to laborously skim through all retrieved documents and collect the statements that are relevant to their information needs.

For example, a public decision maker in the domain of education wants to learn positive and negative experiences with a particular policy across countries, its impact on various populations, etc. So far, such information must have been consolidated by field experts, which is costly and time-consuming.


This project targets the big next step in information access technology by

  • Automatically identifying relevant statements
  • Consolidating the information and inferring relations between the statements
  • Enabling users to explore the consolidated information


The progress of the project will be led by an iterative methodology that encompasses the following:

  • Corpus – large data set of partially annotated data in the domain of educational topics acquired using focused crawling and web-based annotation tools
  • Linguistic annotation on various levels (syntax, semanantic roles, word senses, named entities, co-reference resolution, truth values, and other domain-specific ones) using state-of-the-art automatic annotation methods
  • Extracting atomic statements – by adapting and extending open information extraction techniques
  • Reflecting relationships between statements – by applying textual entailment and semantic similarity methods
  • Knowledge exploration – effective and efficient user interfaces for interactively displaying statements relevant to user queries


Department of Compute Science, Bar-Ilan University, Israel

Department of Information Science, Bar-Ilan University, Israel

Faculty of Industrial Engineering and Management, Technion – Israel Institute of Technology


This project was funded by:

  • Funder: Deutsche Forschungsgemeinschaft (German Research Foundation)
  • Programme: DIP Programme; 17. Round of the German-Israeli project co-operation
  • Grant code: GU 798/17-1 and DA 1600/1-1


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