全球独角兽200强 by grok

如下,
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RankCompany NameValuation (USD B)CountryIndustry
1ByteDance220ChinaSocial/AI
2OpenAI157United StatesAI
3Ant Group150ChinaFintech
4SpaceX137United StatesAerospace
5Reliance Retail100IndiaRetail
6Shein66ChinaE-commerce
7Stripe65United StatesFintech
8Databricks62United StatesData/AI
9Anthropic62United StatesAI
10Reliance Jio58IndiaTelecom
11xAI50United StatesAI
12Waymo45United StatesAutonomous
13Revolut45United KingdomFintech
14Checkout.com40United KingdomFintech
15JUUL38United StatesConsumer
16Canva32AustraliaDesign
17Fanatics31United StatesE-commerce
18Safe Superintelligence30United StatesAI
19Cruise30United StatesAutonomous
20Alibaba Bendi Shenghuo Fuwu Gongsi30ChinaE-commerce
21Chime25United StatesFintech
22CoreWeave23United StatesCloud/AI
23Epic Games23United StatesGaming
24BYJU’S22IndiaEdtech
25Envision Group21ChinaManufacturing
26J&T Express20IndonesiaLogistics
27FNZ20United KingdomFintech
28ChangXin Memory Technologies19ChinaSemiconductor
29JD Digits18ChinaFintech
30Miro18United StatesSoftware
31Yuanfudao17ChinaEdtech
32Xiaohongshu17ChinaSocial
33Trendyol Group17TurkeyE-commerce
34Yinwang Smart Technology16ChinaAuto Tech
35Gopuff15United StatesDelivery
36Genki Forest15ChinaConsumer
37Discord15United StatesSocial
38CloudKitchens15United StatesLogistics
39Bitmain15ChinaBlockchain
40GAC Aion New Energy Automobile14ChinaAuto
41Anduril Industries14United StatesDefense
42Scale AI14United StatesAI
43Rippling14United StatesHR Tech
44Plaid13United StatesFintech
45OpenSea13United StatesNFT
46Ramp13United StatesFintech
47Grammarly13United StatesSoftware
48Devoted Health13United StatesHealthcare
49Celonis13GermanySoftware
50Faire13United StatesWholesale
51Figma13United StatesDesign
52Infinite Reality12United StatesAR/VR
53PhonePe12IndiaFintech
54Xingsheng Youxuan12ChinaRetail
55Wiz12IsraelCybersecurity
56GoodLeap12United StatesFintech
57Deel12United StatesHR Tech
58Biosplice Therapeutics12United StatesBiotech
59Northvolt12SwedenEnergy
60Airtable12United StatesSoftware
61Dunamu12South KoreaFintech
62The Access Group12United KingdomFintech
63Notion10United StatesSoftware
64Colossal Biosciences10United StatesBiotech
65Alchemy10United StatesBlockchain
66KuCoin10SeychellesCrypto
67Zuoyebang10ChinaEdtech
68Thrasio10United StatesE-commerce
69Talkdesk10United StatesSoftware
70Ripple10United StatesBlockchain
71Lalamove10Hong KongLogistics
72Digital Currency Group10United StatesCrypto
73Chehaoduo10ChinaAuto
74Mahindra Electric Automobile10IndiaAuto
75Gusto10United StatesHR Tech
76Navan9United StatesTravel
77Tata Passenger Electric Mobility9IndiaAuto
78N269GermanyFintech
79Yanolja9South KoreaTravel
80VAST Data9United StatesData
81Tanium9United StatesCybersecurity
82Perplexity9United StatesAI
83Niantic9United StatesGaming
84HeyTea9ChinaConsumer
85Octopus Energy9United KingdomEnergy
86EV Co9IndiaAuto
87Ping An Healthcare Management9ChinaHealthcare
88Kavak9MexicoAuto
89Nuro9United StatesAutonomous
90Personio8GermanyHR Tech
91Bolt8EstoniaMobility
92Tipalti8United StatesFintech
93The CrownX8VietnamRetail
94THG Ingenuity8United KingdomE-commerce
95StarkWare Industries8IsraelBlockchain
96Flexport8United StatesLogistics
97Fireblocks8United StatesCrypto
98FalconX8United StatesCrypto
99DJI8ChinaHardware
100Dream118IndiaGaming
101Monzo5.9United KingdomFintech
102Lyra Health5.85United StatesHealthcare
103Airwallex5.5AustraliaFintech
104Mambu5.5NetherlandsFintech
105Vinted5.4LithuaniaConsumer
106Abnormal Security5.1United StatesEnterprise
107QuintoAndar5.1BrazilFintech
108C6 Bank5.05BrazilFintech
109NinjaOne5.0United StatesEnterprise
110Quince4.5United StatesEnterprise
111OneTrust4.5United StatesEnterprise
112Supabase5.0United StatesEnterprise
113Howden Group Holdings5.0United KingdomInsurance
114Metropolis5.0United StatesConsumer
115SambaNova Systems5.0United StatesEnterprise
116 116ZEPZ5.0United KingdomFintech
117OakNorth Bank5.0United KingdomFintech
118Moon Active5.0IsraelMedia
119OfBusiness5.0IndiaIndustrials
120Cockroach Labs5.0United StatesEnterprise
121Pine Labs5.0IndiaFintech
122Qonto5.0FranceEnterprise
123Icertis5.0United StatesEnterprise
124Hopper5.0CanadaConsumer
125VerSe Innovation5.0IndiaMedia
126Lenskart7.9IndiaConsumer
127ShareChat5.0IndiaMedia
128Coalition5.0United StatesInsurance
129Meesho4.0IndiaConsumer
130Cerebral4.8United StatesHealthcare
131Reify Health4.8United StatesHealthcare
132Chipone4.73ChinaIndustrials
133BetterUp4.7United StatesEnterprise
134Pleo4.7DenmarkEnterprise
135SonarSource4.7SwitzerlandEnterprise
136SandboxAQ5.6United StatesEnterprise
137Checkr4.6United StatesEnterprise
138Glean4.6United StatesEnterprise
139Skims4.0United StatesConsumer
140Color4.6United StatesHealthcare
141Lendable4.58United KingdomFintech
142Helion Energy5.43United StatesIndustrials
143VIPKid4.5ChinaConsumer
144Socure4.5United StatesFintech
145wefox4.5GermanyInsurance
146Hugging Face4.5United StatesEnterprise
147Outreach4.4United StatesEnterprise
148Lightmatter4.4United StatesEnterprise
149Alan4.46FranceHealthcare
150Guild Education4.4United StatesEnterprise
151Hibob2.45IsraelEnterprise
152Mobile Premier League2.45IndiaMedia
153Fractal Analytics2.44IndiaEnterprise
154insitro2.44United StatesHealthcare
155Cgtz2.41ChinaFintech
156Star Charge2.41ChinaIndustrials
157Carbon2.4United StatesIndustrials
158Paxos2.4United StatesFintech
159BitSight Technologies2.4United StatesEnterprise
160Trumid2.4United StatesFintech
161ABL Space Systems2.4United StatesIndustrials
162HoneyBook2.4United StatesEnterprise
163Beta Technologies2.4United StatesIndustrials
164Gympass2.4United StatesHealthcare
165Dialpad2.2United StatesEnterprise
166G7 Networks2.2ChinaIndustrials
167BloomReach2.2United StatesConsumer
168 168Accelerant2.4United KingdomInsurance
169Hozon Auto3.95ChinaIndustrials
170Aledade3.5United StatesHealthcare
171A24 Films3.5United StatesMedia
172GrubMarket3.5United StatesConsumer
173Rokt3.5United StatesConsumer
174Via Transportation3.5United StatesIndustrials
175ApplyBoard3.2CanadaConsumer
176Zetwerk3.1IndiaIndustrials
177Cato Networks3.0IsraelEnterprise
178Sword Health3.0United StatesHealthcare
179SouChe Holdings3.0ChinaIndustrials
180BGL Group3.0United KingdomInsurance
181Circle3.0United StatesFintech
182Zuoyebang3.0ChinaConsumer
183FlixMobility3.0GermanyIndustrials
184Wildlife Studios3.0BrazilMedia
185Forter3.0United StatesEnterprise
186Calendly3.0United StatesEnterprise
187BlockFi3.0United StatesFintech
188ActiveCampaign3.0United StatesEnterprise
189CMR Surgical3.0United KingdomHealthcare
190Lucid Software3.0United StatesEnterprise
191Age of Learning3.0United StatesConsumer
192Carbon Health3.0United StatesHealthcare
193Contentful3.0GermanyEnterprise
194LaunchDarkly3.0United StatesEnterprise
195Seismic3.0United StatesEnterprise
196Sky Mavis3.0VietnamMedia
197Outschool3.0United StatesConsumer
198TradingView3.0United StatesFintech
199Groww3.0IndiaFintech
200Podium3.0United StatesConsumer
【电动汽车充电站有序充电调度的分散式优化】基于蒙特卡诺和拉格朗日的电动汽车优化调度(分时电价调度)(Matlab代码实现)内容概要:本文介绍了基于蒙特卡洛和拉格朗日方法的电动汽车充电站有序充电调度优化方案,重点在于采用分散式优化策略应对分时电价机制下的充电需求管理。通过构建数学模型,结合不确定性因素如用户充电行为和电网负荷波动,利用蒙特卡洛模拟生成大量场景,并运用拉格朗日松弛法对复杂问题进行分解求解,从而实现全局最优或近似最优的充电调度计划。该方法有效降低了电网峰值负荷压力,提升了充电站运营效率与经济效益,同时兼顾用户充电便利性。 适合人群:具备一定电力系统、优化算法和Matlab编程基础的高校研究生、科研人员及从事智能电网、电动汽车相关领域的工程技术人员。 使用场景及目标:①应用于电动汽车充电站的日常运营管理,优化充电负荷分布;②服务于城市智能交通系统规划,提升电网与交通系统的协同水平;③作为学术研究案例,用于验证分散式优化算法在复杂能源系统中的有效性。 阅读建议:建议读者结合Matlab代码实现部分,深入理解蒙特卡洛模拟与拉格朗日松弛法的具体实施步骤,重点关注场景生成、约束处理与迭代收敛过程,以便在实际项目中灵活应用与改进。
03-08
### Grok 模式匹配语言的使用及其在日志解析中的应用 Grok 是一种大的模式匹配语言,广泛应用于各种日志管理工具中,特别是 Logstash 和其他 ELK Stack 组件。通过定义一系列预设的正则表达式片段,Grok 可以轻松解析复杂的日志条目。 #### 定义自定义路径加载更多模式文件 为了扩展可用的 Grok 模式,在配置文件中可以指定多个目录来查找额外的模式文件: ```yaml patterns_dir => ["/opt/logstash/patterns", "/opt/logstash/extra_patterns"] ``` 这允许用户不仅限于内置模式,还可以创建并维护自己的特定业务逻辑的日志格式解析规则[^1]。 #### 基本语法结构 每种类型的字段都有对应的 Grok 模板,这些模板由关键字和占位符组成。例如,对于常见的 Apache 日志行 `127.0.0.1 - frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326` ,可以通过如下方式解析: ```grok %{COMBINEDAPACHELOG} ``` 此模板会自动识别 IP 地址、时间戳、请求方法等重要信息,并将其映射到相应的字段上。 更复杂的情况下,则可能需要组合不同的基本模式来进行精确匹配。比如提取日期部分可以用 `%{YEAR}-%{MONTHNUM}-%{MONTHDAY}` 这样的形式表示年月日[^2]。 #### 实际案例分析 假设有一个简单的 Nginx 访问日志记录如下所示: ``` 192.168.1.1 - - [24/Feb/2023:18:02:57 +0800] "POST /api/v1/login HTTP/1.1" 200 123 "-" "curl/7.64.1" ``` 针对上述日志内容,可编写如下的 Grok 表达式进行解析: ```grok %{IPORHOST:clientip} %{HTTPDUSER:ident} %{NOTSPACE:auth} \[%{HTTPDATE:timestamp}\] "%{WORD:httpmethod} %{URIPATHPARAM:request} HTTP/%{NUMBER:httpversion}" %{INT:responsecode:int} (?:-|%{INT:bytes:int}) "(.*?)" "(.*?)" ``` 这段代码将会把各个组成部分分别赋值给变量名后的标签内,从而实现数据的有效抽取与分类处理。 #### Python 示例代码展示如何集成 Grok 解析器 如果希望在一个独立的应用程序里利用 Grok 功能,下面是一个基于 PyParsing 库的小例子说明怎样做到这一点: ```python from pyparsing import Word, alphanums, Regex, Group, OneOrMore, Suppress, Optional def create_grok_pattern(): ip_address = Regex(r'(?:\d{1,3}\.){3}\d{1,3}') http_method = Word(alphanums) uri_path_param = Regex(r'/[\w/.-]*') grok_line = ( ip_address('client_ip') + Suppress('-') + Suppress('-') + '[' + Regex(r'\d{2}/[A-Za-z]{3}/\d{4}:\d{2}:\d{2}:\d{2} [\+\-]\d{4}')('time_local') + ']' + '"' + http_method('request_method') + uri_path_param('request_uri') + Regex('HTTP/\d.\d')('server_protocol') + '"' ) return grok_line.parseString parser = create_grok_pattern() result = parser("192.168.1.1 - - [24/Feb/2023:18:02:57 +0800] \"POST /api/v1/login HTTP/1.1\"") print(result.asDict()) ``` 该脚本模拟了一个简化版的 Grok 式解析过程,实际环境中通常会有更加丰富的功能支持以及更高的性能表现[^3]。
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