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Module 9: Additional Patents Deep Dive ​

50+ New Patents

Comprehensive collection of Google patents discovered through extended research that complement the core 65 patents.

Trust & Authority Patents ​

PatentTitleKey Innovation
US 10,268,641Search result ranking based on trustCSE TrustRank - uses Custom Search Engine annotations
EP1817697A2Link-based spam detectionTrustRank methodology for separating spam from good pages
US 8,458,196B1System and method for determining topic authorityTopical authority scoring based on document topics

Key Concept: Trust-Based Ranking ​

Google's trust ranking differs from Yahoo's TrustRank. Google uses:

  • Distance from trusted seed sites
  • Custom Search Engine annotations from experts
  • Knowledge-based trust (factual accuracy)

Freshness & QDF Patents ​

PatentTitleKey Innovation
US 8,832,088B1Freshness-based rankingQuery Deserves Freshness (QDF) scoring

QDF Algorithm ​

The freshness engine determines when queries need fresh results by:

  • Monitoring news site activity on topics
  • Counting user selections of news results
  • Computing fresh-seeking query values

When QDF Activates:

  • Breaking news events
  • Trending topics
  • Seasonal/recurring events
  • Hot topics with sudden interest spikes

Crawling & Indexing Patents ​

PatentTitleKey Innovation
US 8,042,112B1Scheduler for search engine crawlerSegment-based crawler scheduling
US 8,666,964B1Managing items in crawl scheduleRecrawl scheduling with due dates
US 20120078874A1Search Engine IndexingCaffeine-era indexing architecture

Crawl Priority Factors ​

Local Search Patents ​

PatentTitleKey Innovation
US 8,046,371B2Scoring local search results based on location prominenceLocal prominence scoring
US 8,312,010B1Local business ranking using mapping informationMap-based business ranking
US 7,752,210B2Determining geographical location from IP addressIP-based geolocation

Local Ranking Factors (Patent-Based) ​

  1. Relevance - Category and keyword match
  2. Distance - Proximity to searcher/specified location
  3. Prominence - Reviews, citations, link signals

Duplicate Detection Patents ​

PatentTitleKey Innovation
US 7,734,627B1Document similarity detectionShingling for near-duplicate detection
US 7,779,002B1Detecting query-specific duplicate documentsQuery-relevant duplicate detection
US 8,015,162B2Detecting duplicate and near-duplicate filesMulti-pass duplicate identification
US 10,223,406B2Entity normalization via name normalizationName standardization for entity deduplication

Shingling Process ​

Documents are compared using "shingles" (overlapping word sequences):

  1. Create shingles from document text
  2. Hash shingles for efficient comparison
  3. Calculate Jaccard similarity
  4. Cluster near-duplicates

Query Understanding Patents ​

PatentTitleKey Innovation
US 8,055,669B1Search queries improved based on query semantic informationHummingbird foundations
US 8,577,907B1Search queries improved based on query semantic informationSemantic query improvement
US 7,636,714B1Determining query term synonyms within query contextContext-aware synonym detection
US 20020147578A1Query reformulationTerm expansion and synonyms

Query Reformulation Pipeline ​

Visual & Image Search Patents ​

PatentTitleKey Innovation
US 8,543,521Supervised re-ranking for visual searchVisualRank - PageRank for images
US 20210019342A1Similar medical image searchSemantic + visual similarity embeddings

VisualRank Concept ​

Applies PageRank principles to image similarity graphs:

  • Images as nodes
  • Visual similarity as edges
  • Authority scores for image ranking

Voice Search Patents ​

PatentTitleKey Innovation
US 7,027,987B1Voice interface for a search engineVoice query processing
US 8,260,809B2Voice-based search processingNatural language + handwriting recognition
US 20110145224A1Speech-based incremental searchReal-time voice search
US 11,875,786B2Natural language recognition assistantModern voice assistant NLP

Neural Network & AI Patents ​

PatentTitleKey Innovation
CA3138920A1Neural network for search retrieval and rankingDeep learning for search
US 11,204,968B2Embedding layer in neural network for rankingEmbedding-based ranking
US 10,628,432B2Personalized deep models for smart suggestionsPersonalized neural ranking
US 11,769,017B1Generative summaries for search resultsSGE/AI Overviews foundation
US 20240256582A1Search with Generative Artificial IntelligenceGenerative AI search

SGE Patent Key Points ​

The "Generative Summaries" patent (US 11,769,017B1) describes:

  • Selective use of LLMs for query responses
  • Natural language summary generation
  • Integration with traditional search results

Anchor Text Patents ​

PatentTitleKey Innovation
US 20060074871A1Incorporating anchor text into rankingWeighted term frequency for anchors
US 20070143282A1Anchor text summarization for corroborationUsing anchor text to verify document relevance

Content Quality Patents ​

PatentTitleKey Innovation
US 8,352,386B2Identifying training documents for content classifierTraining helpful content classifiers
US 20140280011A1Predicting Site QualitySite-wide quality prediction

Helpful Content Signals ​

The content classifier patents describe:

  • Thin content detection
  • Duplicate content identification
  • User satisfaction prediction
  • Site-wide quality scoring

Spam Detection Patents ​

PatentTitleKey Innovation
US 20240020476A1Determining linked spam contentSpamBrain-era link spam detection
US 8,224,905B2Spam filtration utilizing sender activity dataML-based spam probability

Semantic Analysis Patents ​

PatentTitleKey Innovation
US 8,312,021B2Generalized latent semantic analysisLSA for document similarity
US 7,152,065B2Distributed latent semantic indexingScalable LSI for large datasets

Question Answering Patents ​

PatentTitleKey Innovation
US 9,471,668B1Question-answering systemPeople Also Ask foundation
US 9,940,367B1Scoring candidate answer passagesPassage ranking for Q&A

PAA Algorithm ​

The question-answering system:

  1. Analyzes initial query as question
  2. Identifies related questions from query logs
  3. Ranks questions by relevance
  4. Expands dynamically based on user interaction

Re-Ranking Patents ​

PatentTitleKey Innovation
US 8,126,883B2Re-ranking search resultsPost-retrieval result reordering
US 20180101537A1Hierarchically Organized Machine Learning ModelsModel hierarchy for ranking

2023-2024 Modern Patents ​

PatentYearKey Innovation
US 11,403,301B22022Search improvements
US 11,442,946B22022Query processing
US 11,663,277B22023Result ranking
US 11,693,863B12023Search optimization
US 11,694,034B22023Content understanding
US 11,706,318B22023Query matching
US 11,720,920B12023Result generation
US 11,727,046B22023Semantic analysis
US 11,734,287B22023Content classification
US 11,741,191B12023Search relevance
US 11,743,522B22023Query understanding
US 11,758,237B22023Entity processing
US 11,782,970B22023Result ranking
US 11,782,998B22023Content analysis
US 11,816,114B12023Search features
US 11,829,373B22023Query processing
US 11,836,177B22023Content ranking
US 20230394072A12023AI search
US 20230409653A12023Image search

YouTube & Video Ranking Patents ​

PatentTitleKey Innovation
US 8,868,481B2Video recommendation based on co-occurrenceVideos watched together influence recommendations
US 10,387,431B2Video recommendation based on video titlesTitle similarity for recommendations
US 9,106,958B2Video recommendation based on affectEmotional response (smiles, engagement) influences ranking
US 9,503,786B2Video recommendation using affectFacial expression analysis for recommendations
US 10,289,898B2Video recommendation via affectLive-stream emotional analysis
US 8,589,434B2Recommendations based on topic clustersYouTube topic clustering for recommendations
US 8,713,618B1Segmenting video based on timestampsComment timestamps identify video segments
US 9,552,555B1Content item recommendationsDeep neural network recommendations

YouTube Ranking Algorithm Key Insights ​

The YouTube recommendation system uses multiple signals:

Key Ranking Factors (Patent-Based):

  • Watch Time (US 9,098,511) - Primary ranking signal
  • Video Co-occurrence (US 8,868,481B2) - Videos watched in same session
  • Emotional Response (US 9,106,958B2) - Viewer facial expressions
  • Topic Clustering (US 8,589,434B2) - Related topic grouping
  • Title Similarity (US 10,387,431B2) - Semantic title matching

Social Media & Social Signals Patents ​

PatentTitleKey Innovation
US 8,756,239B2Real-time content searching in social networkSocial connection strength affects ranking
US 9,081,823B2Ranking social network objectsObject-type specific ranking in social networks
US 8,495,058B2Filtering social search resultsSocial signals adjust search rankings
US 9,904,703B1Content based on social network interactionsSocial engagement signals for search
US 20160246789A1Searching prominent users in social networksProminent user content prioritization
US 9,324,112B2Ranking authors in social mediaAuthor authority in social platforms
US 7,788,260B2Ranking based on social network clicksSocial graph click frequency affects ranking
US 20130031106A1Social network query suggestionsSocial-powered search suggestions

Important Note

Google has publicly stated social signals are NOT direct ranking factors. However, these patents show Google can and does incorporate social data in various ways.

How Social Signals May Influence Search:

Patent-Documented Social Mechanisms:

  1. Social Graph Filtering (US 8,495,058B2) - Content from connections ranks higher for that user
  2. Prominent User Content (US 20160246789A1) - Influencer content may be prioritized
  3. Author Authority (US 9,324,112B2) - Social author scores affect visibility
  4. Click Patterns (US 7,788,260B2) - Social network member clicks influence ranking

Summary: Total Patent Count ​

CategoryOriginalAdditionalTotal
Semantic Search224
Phrase-Based Indexing15015
Entity & Knowledge Graph13316
Query Understanding8412
Content Quality527
PageRank & Links639
User Behavior808
Modern 2023+81927
Trust & Authority033
Freshness/QDF011
Crawling & Indexing033
Local Search033
Duplicate Detection044
Visual/Image Search022
Voice Search044
Neural/AI055
Anchor Text022
Spam Detection022
Semantic Analysis022
Question Answering022
Re-Ranking022
YouTube & Video088
Social Media/Signals088
TOTAL6584149

Next Steps ​

  1. Return to Module 1 to start from the beginning
  2. View Quick Reference for all patents in one place
  3. Use the chat widget to ask questions about any patent

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