PanGu分词器
https://top.chinaz.com/
https://sourceforge.net/projects/ktdictseg/
https://blog.csdn.net/lijun7788/article/details/7719439
http://www.cftea.com/c/2017/06/7991.asp
https://blog.csdn.net/wudiyong22/article/details/48289965
https://github.com/stanzhai/IKAnalyzer.NET
Lucene.net(4.8.0)+PanGu分词器
Install-Package jieba.NET -Version 0.42.2
https://github.com/anderscui/jieba.NET
var segmenter = new JiebaSegmenter();
var segments = segmenter.Cut("我来到北京清华大学", cutAll: true);
Console.WriteLine("【全模式】：{0}", string.Join("/ ", segments));
segments = segmenter.Cut("我来到北京清华大学"); // 默认为精确模式
Console.WriteLine("【精确模式】：{0}", string.Join("/ ", segments));
segments = segmenter.Cut("他来到了网易杭研大厦"); // 默认为精确模式，同时也使用HMM模型
Console.WriteLine("【新词识别】：{0}", string.Join("/ ", segments));
segments = segmenter.CutForSearch("小明硕士毕业于中国科学院计算所，后在日本京都大学深造"); // 搜索引擎模式
Console.WriteLine("【搜索引擎模式】：{0}", string.Join("/ ", segments));
segments = segmenter.Cut("结过婚的和尚未结过婚的");
Console.WriteLine("【歧义消除】：{0}", string.Join("/ ", segments));
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using Lucene.Net.Index;
using Lucene.Net.Search;
using Lucene.Net.Store;
using Lucene.Net.Util;
using Lucene.Net.Documents;
using Lucene.Net.Analysis;
using Lucene.Net.Analysis.Standard;
using JiebaNet.Segmenter;
namespace WindowsFormsApp1
{
//http://www.zhuzhusoft.com/article.php?id=151
//Install-Package Lucene.Net -Pre
//Install-Package Lucene.Net.Analysis.Common -Version 4.8.0-beta00014
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
if (this.folderBrowserDialog1.ShowDialog() == DialogResult.OK)
{
this.textBox1.Text = this.folderBrowserDialog1.SelectedPath;
// Ensures index backward compatibility
const LuceneVersion AppLuceneVersion = LuceneVersion.LUCENE_48;
// Construct a machine-independent path for the index
var basePath = Environment.GetFolderPath(
Environment.SpecialFolder.CommonApplicationData);
var indexPath = Path.Combine(basePath, "index");
var dir = FSDirectory.Open(indexPath);
// Create an analyzer to process the text
var analyzer = new StandardAnalyzer(AppLuceneVersion);
// Create an index writer
var indexConfig = new IndexWriterConfig(AppLuceneVersion, analyzer);
var writer = new IndexWriter(dir, indexConfig);
PanGu.Segment.Init();
PanGu.Segment segment = new PanGu.Segment();
string[] files = System.IO.Directory.GetFiles(this.textBox1.Text.Trim(), "*.txt");
foreach (string file in files)
{
FileInfo f = new FileInfo(file);
ICollection words = segment.DoSegment(File.ReadAllText(file));
string FavoritePhraseStr = string.Empty;
foreach (var word in words)
{
FavoritePhraseStr += " " + word.Word;
Console.WriteLine(word.Word);
}
var segmenter = new JiebaSegmenter();
var segments = segmenter.Cut(File.ReadAllText(file), cutAll: true);
Console.WriteLine("【全模式】：{0}", string.Join(" ", segments));
var source = new
{
Name = file,
FavoritePhrase = FavoritePhraseStr
};
var doc = new Document
{
// StringField indexes but doesn't tokenize
new StringField("name",
source.Name,
Field.Store.YES),
new TextField("favoritePhrase",
source.FavoritePhrase,
Field.Store.YES)
};
writer.AddDocument(doc);
writer.Flush(triggerMerge: false, applyAllDeletes: false);
}
writer.Dispose();
}
}
private void button2_Click(object sender, EventArgs e)
{
Ensures index backward compatibility
//const LuceneVersion AppLuceneVersion = LuceneVersion.LUCENE_48;
Construct a machine-independent path for the index
//var basePath = Environment.GetFolderPath(
// Environment.SpecialFolder.CommonApplicationData);
//var indexPath = Path.Combine(basePath, "index");
//var dir = FSDirectory.Open(indexPath);
Create an analyzer to process the text
//var analyzer = new StandardAnalyzer(AppLuceneVersion);
Create an index writer
//var indexConfig = new IndexWriterConfig(AppLuceneVersion, analyzer);
//var writer = new IndexWriter(dir, indexConfig);
// Search with a phrase
var phrase = new MultiPhraseQuery
{
new Term("favoritePhrase", this.textBox2.Text.Trim()),
//new Term("favoritePhrase", "fox")
};
Re-use the writer to get real-time updates
//var reader = writer.GetReader(applyAllDeletes: true);
//var searcher = new IndexSearcher(reader);
var basePath = Environment.GetFolderPath(
Environment.SpecialFolder.CommonApplicationData);
var indexPath = Path.Combine(basePath, "index");
var dir = FSDirectory.Open(indexPath);
var searcher = new IndexSearcher(DirectoryReader.Open(dir));
var hits = searcher.Search(phrase, 20 /* top 20 */).ScoreDocs;
DataTable dataTable = new DataTable();
dataTable.Columns.Add("name");
dataTable.Columns.Add("favoritePhrase");
// Display the output in a table
Console.WriteLine($"{"Score",10}" +
$" {"Name",-15}" +
$" {"Favorite Phrase",-40}");
foreach (var hit in hits)
{
var foundDoc = searcher.Doc(hit.Doc);
DataRow dr = dataTable.NewRow();
dr["name"] = foundDoc.Get("name");
dr["favoritePhrase"] = foundDoc.Get("favoritePhrase");
dataTable.Rows.Add(dr);
Console.WriteLine($"{hit.Score:f8}" +
$" {foundDoc.Get("name"),-15}" +
$" {foundDoc.Get("favoritePhrase"),-40}");
}
this.dataGridView1.DataSource = dataTable;
}
}
}
it自媒体
1、做长远计划 ；2、精准人群定位 ；3、差异化竞争 ；4、有营销点；5、吸粉更容易 ；6、打造知名度 ；7、时间定位运营 ；8、低成本高收益 ；9、增加客户粘性 ；10、内容服务为王。
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