Search Indexing Information Items Sentence Fragments

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Solution Overview

Problem

Users of search engines often face the cumbersome task of reviewing multiple documents to find specific information items, such as dates or names, as search results may not directly provide the desired information, requiring users to sift through summaries or snippets within search result sets.

Innovation Solution

A method and system for retrieving specific information items and associated sentence fragments by creating an index of information item-sentence fragment pairs, allowing for the identification and ranking of relevant entries in response to search queries, and presenting them in a search result set, which can include multiple information items and sentence fragments, optionally displayed in a timeline format.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If search engines generate search result sets containing links to previously indexed documents with summaries or snippets, then users can access relevant documents, but users must review multiple documents to find specific information items which is cumbersome and time consuming

Engineering Contradiction:
Improvespecific information itemVSAvoidtime to find information
Core Design Contradiction:
Loss of informationVSLoss of time

Solution Approach 1:

The patent extracts specific information items (such as dates, names, entities) directly from indexed documents and presents them in the search result set alongside associated sentence fragments. This extraction principle allows users to find specific information items without reviewing entire documents, thereby reducing time loss while maintaining information completeness.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The system performs preliminary extraction and organization of information items and their associated sentence fragments from documents during the indexing phase. This preliminary action prepares the data structure in advance, enabling rapid retrieval of specific information items when users submit search queries, thus eliminating the need for users to manually review multiple documents.

Inventive Principle:
Principle #10Preliminary action

2Ease of operation

If search engines provide summaries or snippets in search results, then users can get an overview of documents, but the summaries may not contain the user's desired specific information item requiring extensive document review

Engineering Contradiction:
Improveease of finding informationVSAvoiddesired specific information item
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The patent segments documents into discrete information items (such as dates, names, entities) and associates each with relevant sentence fragments. This segmentation allows the search engine to present only the specific information items and their context in the search results, improving ease of operation while ensuring the desired information is not lost.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces sentence fragments as intermediaries between the full documents and the specific information items. These sentence fragments provide contextual information that connects the extracted information items to their source documents, allowing users to understand the context without reviewing entire documents, thus improving ease of operation while preserving information integrity.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8719244B1Methods and systems for retrieval of information items and associated sentence fragments
Publication Date: 2014.05.06 GOOGLE LLC
  • US8719244B1 patent drawing
  • US8719244B1 patent drawing
  • US8719244B1 patent drawing

AI summary

Methods and systems for retrieval of information items and associated sentence fragments are described. One method described comprises identifying at least a first entry in an index relevant to a search query, wherein the first entry comprises a first information item and a first associated sentence fragment, and wherein the index comprises a plurality of information items and associated sentence fragments, and generating a search result set relevant to the search query comprising at least the first information item.