To replace indexes with a single, consolidated model, it must be possible for the model itself to have knowledge about the universe of document identifiers, in the same way that traditional indexes do. One way to accomplish this is to move away from traditional LMs and towards corpus models that jointly model term-term, term-document, and... See more
The very fact that ranking is a critical component of this paradigm is a symptom of the retrieval system providing users a selection of potential answers, which induces a rather significant cognitive burden on the user. The desire to return answers instead of ranked lists of results was one of the motivating factors for developing question... See more
[Curator's note: there are numerous other technical challenges addressed with alternative prescriptions throughout the paper. These highlights are narrative-centric, and I invite you to review the paper if you are a keen technologist looking for answers to the following:- Zero- and Few-Shot Learning - Response Generation- Arithmetic, Logical,... See more
When experiencing an information need, users want to engage with a domain expert, but often turn to an information retrieval (IR) system, such as a search engine, instead. Classical information retrieval systems do not answer information needs directly, but instead provide references to (hopefully authoritative) answers.
- The problem is one of content. The misconception is that without deep content, design is reduced to pure style, a bag of dubious tricks. In graphic-design circles, form-follows-function is reconfigured as form-follows-content. If content is the source of form, always preceding it and imbuing it with meaning, form without content (as if that were... See more