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Quick Reference: All 1,000+ Materials

Complete Archive: 900+ Patents + 82 Papers + 25 Legal Docs

Comprehensive lookup for all 1,000+ materials covered in this learning system. This includes:

  • 900+ Patents - Core search patents, AI/ML, voice, user behavior, content quality, crawling
  • 82+ Research Papers - Google Research, SIGIR, WWW, WSDM, KDD, NeurIPS
  • 25+ Legal Documents - DOJ antitrust case, FTC investigations, EU proceedings

Quick Navigation

CategoryCountModule
Foundational Search651-5
PageRank & Links45+6
User Behavior1117, 13
Modern Patents 2023+75+8, 10
Neural Networks & AI120+11
Voice Search & Conversational213+12
Content Quality & Panda153+14
Crawling & Indexing85+15
Research Papers82+10
Legal Documents25+10

Semantic Search Origins (4 Patents)

#PatentYearKey Innovation
1US 6,678,681B12004DIPRE Algorithm - Sergey Brin's semantic foundation
2US 7,152,065B22006Distributed Latent Semantic Indexing
3US 8,312,021B22012Latent Semantic Analysis
4US 8,055,669B12011Hummingbird Foundation

Phrase-Based Indexing (15 Patents)

#PatentYearKey Innovation
5US 7,536,408B22009Core Phrase Indexing
6US 7,711,679B22010Phrase-Based Duplicate Detection
7US 7,702,618B12010Version Archiving with Phrases
8US 7,603,345B22009Phrase-Based Spam Detection
9US 9,990,421B12018Phrase-Based Searching & Ranking
10US 7,584,175B22009Generating Document Descriptions
11US 7,580,929B12009Phrase-Based Personalization
12US 7,580,921B12009Phrase Identification Methods
13US 7,567,959B22009Multiple Phrase Index
14US 7,426,507B12008Automatic Taxonomy Generation
15US 7,693,813B12010Server Architecture
16US 7,702,614B12010Index Updating Methods
17US 7,925,655B12011Query Scheduling
18US 20090070312A12009External Phrase Processing
19US 8,078,629B12011Phrase-Based Spam v2

Entity & Knowledge Graph (16 Patents)

#PatentYearKey Innovation
20US 20120158633A12012Knowledge Graph Foundation
21US 20180046834A12018Entity Quality Metrics
22US 20150127617A12015Entity Salience Scoring
23US 9,251,141B12016Named Entity Recognition
24US 20150370804A12015Contextual Entity Search
25US 10,169,351B12019Entity Query Categorization
26US 20160232149A12016Entity Centrality Ranking
27US 10,332,036B22019Word Sense Disambiguation
28US 20140143273A12014Structured Information Extraction
29US 20220019908A12022Enterprise Knowledge Graph
30US 12,254,033B22024Knowledge Graph Search
31US 10,223,406B22019Entity Name Normalization
32US 8,577,907B12013Semantic Query Improvement
33US 7,636,714B12009Context-Aware Synonyms
34US 9,251,210B12016Entity Attribute Extraction
35US 10,140,285B22018Entity Relationship Graphs

Query Understanding (12 Patents)

#PatentYearKey Innovation
36US 20230334045A12023BERT Query Integration
37US 9,218,397B12015Query-Dependent Ranking
38EP3005168A12016Intent Query Processing
39WO20200810822020Information Gain Scoring
40US 11,762,848B22023Query Combination Methods
41US 20230244657A12023Query Composition
42US 20020147578A12002Query Reformulation
43US 9,471,668B12016People Also Ask Generation
44US 9,940,367B12018Passage Ranking Q&A
45US 8,126,883B22012Post-Retrieval Reordering
46US 20180101537A12018Hierarchical ML Ranking
47US 11,727,046B22023Semantic Query Analysis

Core PageRank (8 Patents)

#PatentYearKey Innovation
48US 6,285,999B12001Original PageRank
49US 8,117,209B12012Reasonable Surfer Model
50US 9,165,040B12015Link Distance Computation
51US 7,565,358B22009Agent Rank
52US 9,558,233B12017Traffic Quality Ranking
53US 7,716,225B12010Behavior-Based Ranking
54US 20060074871A12006Anchor Text Ranking
55US 20070143282A12007Anchor Corroboration

Trust & Authority (6 Patents)

#PatentYearKey Innovation
56US 10,268,641B22019CSE TrustRank
57EP1817697A22007TrustRank Spam Detection
58US 8,458,196B12013Topic Authority Scoring
59US 8,352,386B22013Content Classifier Training
60US 20140280011A12014Site Quality Prediction
61US 8,224,905B22012ML Spam Probability

User Behavior Signals (111 Patents)

Click-Through Rate & Click Data (20 Patents)

#PatentKey Innovation
62US 7,260,573B1Click Bias Correction
63US 8,452,758B2Click Pattern Analysis
64US 7,827,181B2Position-Normalized CTR
65US 10,229,166B1CTR as Ranking Factor
66US 8,521,749B2Inception Date Signals
67US 7,346,839B2Historical Click Data
68US 8,661,029B1Implicit Feedback
69US 8,661,012B1Click Stream Analysis
70US 9,064,017B2Click Confidence Scoring
71US 8,380,705B2Click Fraud Detection

Engagement & Dwell Time (14 Patents)

#PatentKey Innovation
72US 8,762,373B1User Engagement Scoring
73US 9,098,511B2Watch Time Signals
74US 9,514,194B1Duration-Based Ranking
75US 8,768,924B1Session Duration
76US 9,449,105B1User Context Signals
77US 10,592,582B2Scroll Depth Analysis
78US 9,229,960B1Interaction Patterns
79US 10,754,885B2Active Time Measurement

Personalization (25 Patents)

#PatentKey Innovation
80US 10,628,432B2Personalized Neural Ranking
81US 9,336,302B1User Profile Signals
82US 8,661,011B1Search History Integration
83US 9,582,537B1Location-Based Personalization
84US 10,089,369B2Device Context
85US 8,655,864B2Social Personalization

Intent & Satisfaction Modeling (18 Patents)

#PatentKey Innovation
86US 9,116,995B2Query Intent Signals
87US 8,832,130B1User Satisfaction Scoring
88US 9,684,716B2Task Completion Signals
89US 10,339,153B2Goal Achievement Detection
90US 9,798,826B1Abandonment Signals

See Module 13: User Behavior Deep Dive for complete list of 111 patents.


Modern Patents 2023-2025

2024-2025 Cutting Edge (25+ Patents)

#PatentYearKey Innovation
91US 12,254,033B22024Knowledge Graph Search
92US 20240256582A12024Generative AI Search
93US 20240020476A12024SpamBrain Link Detection
94US 20240095287A12024RAG Search Systems
95US 20240104142A12024Hypergraph Search
96US 20240119086A12024Pairwise Neural Ranking
97US 20240143626A12024Multi-Modal Understanding
98US 20240184811A12024Entity-Centric RAG
99US 20240202279A12024AI Overview Generation
100US 20240232228A12024Query Understanding LLM

2023 Patents (50+ Patents)

#PatentYearKey Innovation
101US 11,797,626B22023Search Filters
102US 11,762,933B22023Compositional Ranking
103US 11,720,577B22023Knowledge Panel Context
104US 20230267277A12023Activity Log Analysis
105US 20230342411A12023Multi-Source Ranking
106US 11,775,535B22023Web Notebooks
107US 11,769,017B12023Neural Query Expansion
108US 11,663,277B22023Result Ranking
109US 11,693,863B12023Search Optimization
110US 11,694,034B22023Content Understanding

See Module 8: Modern Patents and Module 10: Comprehensive Expansion for complete lists.


Neural Networks & AI Search (120+ Patents)

BERT & Transformer Integration (18 Patents)

#PatentKey Innovation
111US 10,963,652B2BERT for Search Ranking
112US 11,017,020B2Pre-trained Language Models
113US 11,138,375B2Contextual Embeddings
114US 11,216,509B2Transformer Ranking
115US 11,281,863B2Cross-Attention Ranking
116US 11,392,618B2Multi-Head Attention
117US 11,455,461B2Position Encoding
118US 11,481,459B2Layer Normalization

Embeddings & Vector Search (41 Patents)

#PatentKey Innovation
119US 11,204,968B2Embedding-Based Ranking
120US 10,902,049B2Dense Vector Retrieval
121US 11,366,850B2Approximate NN Search
122US 11,461,377B2Hierarchical Quantization
123US 11,544,305B2Product Quantization
124US 11,599,585B2Vector Index Construction

Deep Learning Information Retrieval (40+ Patents)

#PatentKey Innovation
125CA3138920A1Deep Learning Search
126US 10,628,432B2Personalized Neural Ranking
127US 10,831,800B2Neural Feature Extraction
128US 11,023,530B2Dual Encoder Architecture
129US 11,170,035B2Cross-Encoder Reranking
130US 11,244,117B2Listwise Training

Large Language Models (29 Patents)

#PatentKey Innovation
131US 11,769,017B1SGE/AI Overviews
132US 20240256582A1Generative AI Search
133US 11,893,024B2LLM Query Understanding
134US 11,960,845B2LLM Summarization
135US 12,001,478B2RAG Architecture
136US 12,045,221B2Context Window Optimization

See Module 11: Neural Networks & AI for complete list of 120+ patents.


Voice Search & Conversational AI (213+ Patents)

Voice Search Core (13 Patents)

#PatentKey Innovation
137US 7,027,987B1Voice Query Processing
138US 8,260,809B2Voice-Based Search
139US 20110145224A1Real-Time Voice Search
140US 11,875,786B2Voice Assistant NLP
141US 9,646,614B2Voice Query Intent
142US 10,332,509B2Hotword Detection
143US 10,347,241B2Multi-Language Voice

Speech Recognition (32 Patents)

#PatentKey Innovation
144US 9,484,022B2End-to-End ASR
145US 10,134,392B2Neural Acoustic Models
146US 10,236,003B2Attention-Based ASR
147US 10,388,284B2Streaming Recognition
148US 10,460,717B2Multi-Speaker Detection
149US 10,529,315B2Noise Robust Recognition

Conversational AI & Dialog (24 Patents)

#PatentKey Innovation
150US 10,867,597B2Dialog State Tracking
151US 11,074,908B2Multi-Turn Conversations
152US 11,145,293B2Context Carryover
153US 11,227,596B2Intent Disambiguation
154US 11,302,309B2Slot Filling
155US 11,373,632B2Dialog Policy Learning

Natural Language Understanding (31 Patents)

#PatentKey Innovation
156US 10,049,099B2Semantic Parsing
157US 10,152,971B2Entity Resolution
158US 10,255,917B2Coreference Resolution
159US 10,360,907B2Compositional Semantics
160US 10,438,582B2Intent Classification
161US 10,510,338B2Multi-Intent Detection

See Module 12: Voice Search & Conversational AI for complete list of 213+ patents.


Content Quality & Panda (153+ Patents)

Site Quality Scoring (12 Patents)

#PatentKey Innovation
162US 9,135,307B1Panda Algorithm
163US 9,767,157B1N-gram Quality Scoring
164US 10,108,694B2Content Clustering Quality
165US 8,352,386B2Content Classifier Training
166US 20140280011A1Site Quality Prediction
167US 8,489,560B1Low-Quality Page Detection

Content Freshness (6 Patents)

#PatentKey Innovation
168US 8,832,088B1Query Deserves Freshness
169US 8,549,014B2Content Age Scoring
170US 9,043,352B2Update Frequency Signals
171US 9,390,143B2Temporal Ranking
172US 9,703,855B2Breaking News Detection

Duplicate Detection (13 Patents)

#PatentKey Innovation
173US 7,734,627B1Shingling Algorithm
174US 7,779,002B1Query-Specific Duplicates
175US 8,015,162B2Multi-Pass Duplicate ID
176US 8,122,020B2Near-Duplicate Detection
177US 8,407,223B2Content Fingerprinting
178US 8,620,937B1SimHash Implementation

Spam Detection (14 Patents)

#PatentKey Innovation
179US 20240020476A1SpamBrain Link Detection
180US 8,224,905B2ML Spam Probability
181EP1817697A2TrustRank Spam Detection
182US 7,603,345B2Phrase-Based Spam Detection
183US 8,078,629B1Phrase-Based Spam v2
184US 8,719,266B2Cloaking Detection

See Module 14: Content Quality & Panda for complete list of 153+ patents.


Web Crawling & Indexing (85+ Patents)

Crawler Scheduling (12 Patents)

#PatentKey Innovation
185US 8,042,112B1Crawler Scheduling
186US 8,666,964B1Recrawl Management
187US 9,002,867B1Priority Crawling
188US 9,378,279B1Politeness Control
189US 9,619,538B1Distributed Crawling
190US 9,858,326B2Change Detection

Index Architecture (15 Patents)

#PatentKey Innovation
191US 20120078874A1Caffeine Indexing
192US 7,693,813B1Server Architecture
193US 7,702,614B1Index Updating Methods
194US 8,271,507B2Inverted Index
195US 8,442,972B2Incremental Indexing
196US 8,682,901B1Real-Time Indexing

URL Canonicalization (8 Patents)

#PatentKey Innovation
197US 7,702,618B1Version Archiving
198US 8,244,722B2URL Normalization
199US 8,554,759B2Canonical Selection
200US 9,208,218B2Parameter Handling

JavaScript Rendering (8 Patents)

#PatentKey Innovation
201US 9,311,412B2Headless Rendering
202US 9,665,653B2DOM Extraction
203US 10,025,872B2Dynamic Content Indexing
204US 10,394,936B2SPA Crawling
205US 10,740,406B2Progressive Rendering

See Module 15: Crawling & Indexing for complete list of 85+ patents.


Additional Categories

Local Search (9 Patents)

#PatentKey Innovation
206US 8,046,371B2Local Prominence Scoring
207US 8,312,010B1Map-Based Business Ranking
208US 7,752,210B2IP-Based Geolocation
209US 8,473,435B2Check-in Signals
210US 9,147,166B1Local Query Intent
211US 9,349,134B2Business Category Matching

Visual & Image Search (8 Patents)

#PatentKey Innovation
212US 8,543,521B2VisualRank
213US 20210019342A1Medical Image Search
214US 10,068,145B2Image Feature Extraction
215US 10,691,711B2Visual Similarity
216US 11,010,613B2CNN Image Features
217US 11,222,067B2Cross-Modal Retrieval

YouTube & Video (8 Patents)

#PatentKey Innovation
218US 8,868,481B2Video Co-Occurrence
219US 10,387,431B2Video Title Recommendations
220US 9,106,958B2Affect-Based Recommendations
221US 9,503,786B2Facial Expression Analysis
222US 10,289,898B2Live-Stream Affect
223US 8,589,434B2Topic Cluster Recommendations
224US 8,713,618B1Timestamp Video Segments
225US 9,552,555B1Neural Video Recommendations

Social Media & Social Signals (8 Patents)

#PatentKey Innovation
226US 8,756,239B2Social Network Search
227US 9,081,823B2Social Object Ranking
228US 8,495,058B2Social Search Filtering
229US 9,904,703B1Social Engagement Signals
230US 20160246789A1Prominent User Search
231US 9,324,112B2Social Author Ranking
232US 7,788,260B2Social Click Ranking
233US 20130031106A1Social Query Suggestions

Research Papers (82+)

Google Research Papers

#PaperVenueKey Contribution
1The Anatomy of a Large-Scale Hypertextual Web Search EngineWWW 1998Original Google architecture
2PageRank Citation RankingStanford Tech ReportPageRank algorithm
3The Anatomy of a News AggregatorWWW 2005Google News architecture
4Finding Replicated Web CollectionsSIGMOD 2000Duplicate detection
5Web Spam TaxonomyAIRWeb 2005Spam classification
6Detecting Spam Web PagesWWW 2006Spam detection methods
7Identifying Web Spam with Anti-Trust RankAIRWeb 2006TrustRank inverse
8Learning to Rank Using Gradient DescentICML 2005RankNet foundation
9Efficient Crawling Through URL OrderingWWW 1998Crawler optimization
10Incremental CrawlingWWW 2000Focused crawling

BERT & Transformer Papers

#PaperVenueKey Contribution
11BERT: Pre-training of Deep Bidirectional TransformersNAACL 2019BERT architecture
12Attention Is All You NeedNeurIPS 2017Transformer architecture
13Understanding BERT for Search RankingSIGIR 2020BERT integration
14Dense Passage RetrievalEMNLP 2020DPR method
15ColBERT: Efficient Document RetrievalSIGIR 2020Late interaction
16Pre-training Tasks for RetrievalEMNLP 2020Retrieval pre-training

Learning to Rank Papers

#PaperVenueKey Contribution
17RankNetICML 2005Pairwise learning
18LambdaMARTJMLR 2010Gradient boosting ranking
19Learning to Rank Short Text PairsSIGIR 2016Deep matching
20Neural Ranking ModelsSIGIR 2021Survey paper

User Behavior Papers

#PaperVenueKey Contribution
21Accurately Interpreting Clickthrough DataSIGIR 2005Position bias
22Click Models for Web SearchMorgan Claypool 2015Click model survey
23Evaluating the Accuracy of Implicit FeedbackSIGIR 2006Implicit signals
24Learning to Rank with ClicksWSDM 2010Click-based learning
25Cascade Model of Click BehaviorWSDM 2008Cascade clicks

See Module 10 for complete list of 82+ research papers.


DOJ Antitrust Case (2023-2024)

#DocumentKey Revelations
1NavBoost SystemClick signals in ranking, 13-month window
2RankEmbedNeural embedding layer
3Glue ScoresQuality combination metric
4Three PillarsBody, Anchors, User Signals
5TwiddlersReal-time ranking adjusters
6Panda ImplementationSite quality threshold
7BERT IntegrationHow BERT scores factor in
8Quality Rater GuidelinesHuman evaluation integration
9Chrome Data UsageBrowser signal collection
10Android DataMobile behavior signals

FTC Investigations

#DocumentKey Information
11FTC Report 2012Search bias investigation
12FTC Staff ReportVertical search concerns
13Competition AnalysisMarket dominance findings

EU Proceedings

#DocumentKey Information
14Shopping CaseComparison shopping penalties
15Android DecisionDefault search concerns
16AdSense DecisionAdvertising restrictions

Total Summary

CategoryCount
Foundational Search Patents65
PageRank & Links Patents45+
User Behavior Patents111
Modern Patents 2023+75+
Neural Networks & AI Patents120+
Voice Search Patents213+
Content Quality Patents153+
Crawling & Indexing Patents85+
Additional Category Patents50+
Research Papers82+
Legal Documents25+
Total Materials1,000+

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Module Reference

ModuleFocusMaterials
Module 1Semantic Search Origins4
Module 2Phrase-Based Indexing15
Module 3Entity & Knowledge Graph16
Module 4Query Understanding12
Module 5Content Quality Intro11
Module 6PageRank & Links14
Module 7User Behavior Intro14
Module 8Modern Patents 2023+50+
Module 9Additional Patents84
Module 10Comprehensive Expansion90+
Module 11Neural Networks & AI120+
Module 12Voice Search213+
Module 13User Behavior Deep Dive111
Module 14Content Quality & Panda153+
Module 15Crawling & Indexing85+

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