人工智能實(shí)驗(yàn)報(bào)告題目：基于web的動(dòng)物識(shí)別系統(tǒng)院系：信科院計(jì)算機(jī)系日期：2013年10月31日目錄TOC\o"1-3"\h\u38471.實(shí)驗(yàn)?zāi)康募伴_(kāi)發(fā)工具 .實(shí)驗(yàn)?zāi)康募伴_(kāi)發(fā)工具編寫(xiě)一個(gè)基于WEB的動(dòng)物識(shí)別系統(tǒng)，實(shí)現(xiàn)對(duì)動(dòng)物的識(shí)別，理解產(chǎn)生式表達(dá)式；熟悉產(chǎn)生式系統(tǒng)的基本過(guò)程；熟悉ASP.NET與數(shù)據(jù)庫(kù)結(jié)合。本系統(tǒng)采用的開(kāi)發(fā)工具為SQLserver2005，VisualStudio2008，程序設(shè)計(jì)語(yǔ)言為ASP.NET2.0,C#。實(shí)驗(yàn)原理產(chǎn)生式系統(tǒng)是把一組產(chǎn)生式放在一起，并讓它們相互配合，協(xié)同作用，一個(gè)產(chǎn)生式的結(jié)論可以供另一個(gè)產(chǎn)生式作為已知事實(shí)使用，以求得問(wèn)題的解決。產(chǎn)生式的基本形式為PQ或者ifPthenQ產(chǎn)生式規(guī)則分析如下：動(dòng)物識(shí)別系統(tǒng)的部分推理網(wǎng)絡(luò)3.數(shù)據(jù)庫(kù)設(shè)計(jì)3.1數(shù)據(jù)庫(kù)設(shè)計(jì)思想通過(guò)以上分析，我們建立了一個(gè)DBai數(shù)據(jù)庫(kù)，其中存放兩張表，分別是條件表Condition和規(guī)則表principle。表1：條件表Condition項(xiàng)目名數(shù)據(jù)結(jié)構(gòu)說(shuō)明ConditionIDInt編號(hào)，主鍵ConditionContentVarchar（20）條件內(nèi)容表2：規(guī)則表principle項(xiàng)目名數(shù)據(jù)結(jié)構(gòu)說(shuō)明RuleIDInt編號(hào)，主鍵Condition1Int條件1編號(hào)Condition2Int條件2編號(hào)Condition3Int條件3編號(hào)Condition4Int條件4編號(hào)Condition5Int條件5編號(hào)ConclusionInt結(jié)論3.2數(shù)據(jù)庫(kù)系統(tǒng)結(jié)構(gòu)條件表是一個(gè)用來(lái)存放與求解問(wèn)題有關(guān)的各種當(dāng)前信息的數(shù)據(jù)結(jié)構(gòu)。例如問(wèn)題的初始狀態(tài)、輸入的事實(shí)、推理得到的中間結(jié)論和最終結(jié)論。規(guī)則表是一個(gè)用來(lái)存放與求解問(wèn)題有關(guān)的所有規(guī)則的集合，也稱為知識(shí)庫(kù)。它包含了問(wèn)題從初始狀態(tài)轉(zhuǎn)換成目標(biāo)狀態(tài)所需要的所有變換規(guī)則。在推理過(guò)程中，當(dāng)規(guī)則表中某條規(guī)則的前提可以和綜合數(shù)據(jù)庫(kù)中的已知事實(shí)相匹配時(shí)，該規(guī)則被激活。由它推出的結(jié)論將被作為新的事實(shí)放入數(shù)據(jù)庫(kù)，稱為后面推理的已知事實(shí)。所以數(shù)據(jù)庫(kù)系統(tǒng)結(jié)構(gòu)如下：條件表規(guī)則表數(shù)據(jù)庫(kù)4.系統(tǒng)設(shè)計(jì)本系統(tǒng)分為三個(gè)功能模塊，分別是動(dòng)物識(shí)別、添加規(guī)則、刪除規(guī)則。系統(tǒng)實(shí)現(xiàn)如下，其中distinguish.aspx實(shí)現(xiàn)動(dòng)物識(shí)別；Addrule.aspx實(shí)現(xiàn)添加規(guī)則；Deleterule.aspx實(shí)現(xiàn)刪除規(guī)則；主頁(yè)實(shí)現(xiàn)為main.aspx和top.aspx；連接數(shù)據(jù)庫(kù)調(diào)用DBFunction.cs。4.1系統(tǒng)首頁(yè)在瀏覽器上顯示動(dòng)物識(shí)別系統(tǒng)的首頁(yè)如下圖所示。連接數(shù)據(jù)庫(kù)的關(guān)鍵代碼：publicDBFunction(DBTransactionTypeTranType){

stringConstring="server=;uid=dbai;pwd=syssys;database=dbai";

_con=newSqlConnection(Constring);

try{

_con.Open();

_cmd=_con.CreateCommand();

if(TranType==DBTransactionType.WithTran){

_tran=_con.BeginTransaction();

_cmd.Transaction=_tran;

}

}

catch(Exceptionex){

throwex;

}

}4.2動(dòng)物識(shí)別單擊“動(dòng)物識(shí)別”按鈕，頁(yè)面跳轉(zhuǎn)后可根據(jù)條件對(duì)動(dòng)物進(jìn)行判別，比如選擇“有羽毛”，點(diǎn)擊“查詢”按鈕，則系統(tǒng)顯示識(shí)別的結(jié)果，如下圖所示：主要源代碼：using(DBFunctionDBfun=newDBFunction(DBTransactionType.NonTran))

{//查詢?cè)谶@次用戶選擇的所有的規(guī)則能夠得到的所有的規(guī)則，將這些規(guī)則的所有結(jié)論都放到congditions中，作為其他的條件。

dt=DBfun.ExecforQuery("select*fromprinciple");

intl=5;

inttest=0;

while(l>0){

for(i=0;i<dt.Rows.Count;i++){

stringsql_condition_chosen=find_sql(chosen);

DataTabledt_conditions=DBfun.ExecforQuery(sql_condition_chosen);

boolcheck=true;

for(intj=1;j<6;j++){

if(dt.Rows[i][j].ToString()=="")

{}

else{

if(!is_in(dt.Rows[i][j].ToString().Trim(),dt_conditions))

{

check=false;

break;

}

}

}

if(check==true&&rule_is_chosen[i]==false{

test=1;

stringto_exe;

DataTabledt_temp=null;

result+="從";

to_exe=string.Format("select*fromConditiona,Conditionbwherea.ConditionID<b.ConditionIDandb.ConditionContent='{0}'",dt.Rows[i]["Conclusion"].ToString());

dt_temp=DBfun.ExecforQuery(to_exe);

intnumber=dt_temp.Rows.Count;

condition_is_chosen[number]=true;

rule_is_chosen[i]=true;

to_exe=string.Format(@"selectConditionContentfromConditionwhere

ConditionID='{0}'orConditionID='{1}'orConditionID='{2}'orConditionID='{3}'orConditionID='{4}'",dt.Rows[i]["Condition1"].ToString(),dt.Rows[i]["Condition2"].ToString(),dt.Rows[i]["Condition3"].ToString(),

dt.Rows[i]["Condition4"].ToString(),dt.Rows[i]["Condition5"].ToString());

dt_temp=DBfun.ExecforQuery(to_exe);

for(intn=0;n<dt_temp.Rows.Count;n++){

if(n<dt_temp.Rows.Count-1){

result+=dt_temp.Rows[n]["ConditionContent"].ToString()+"和";

}

else{

result+=dt_temp.Rows[n]["ConditionContent"].ToString();

}

}

result+="可以看出，該動(dòng)物";

to_exe=string.Format(@"selectConditionContentfromConditionwhereConditionID='{0}'",dt.Rows[i]["Conclusion"].ToString());

dt_temp=DBfun.ExecforQuery(to_exe);

result+=dt_temp.Rows[0]["ConditionContent"].ToString()+"\n\n";

rule_is_chosen[i]=true;

stringconclu=string.Format("select*fromConditionwhereConditionID<'{0}'",dt.Rows[i]["Conclusion"].ToString());

dt_temp=DBfun.ExecforQuery(conclu);

intnumber_of_rule=dt_temp.Rows.Count;

chosen[number_of_rule]=number_of_rule;

}

}

l--;

}

if(test==0)

result+="從所選條件不能推出任意結(jié)論";

}

this.TextBox1.Text=result;

}4.3添加規(guī)則如果對(duì)規(guī)則庫(kù)進(jìn)行添加，可單擊“添加規(guī)則”按鈕，輸入需要添加的條件和結(jié)論即可。主要源代碼：//添加已經(jīng)在數(shù)據(jù)庫(kù)中的項(xiàng)for(intj=0;j<this.CheckBoxList1.Items.Count;j++){if(this.CheckBoxList1.Items[j].Selected==true){condition[numbers]=Int32.Parse(this.CheckBoxList1.Items[j].Value.ToString());numbers++;}}//添加用戶自己輸入的項(xiàng)using(DBFunctionDBfun=newDBFunction(DBTransactionType.WithTran)){//如果用戶填寫(xiě)了這個(gè)空并且這個(gè)條件不在數(shù)據(jù)庫(kù)中，就將它添加到數(shù)據(jù)庫(kù)中。if(this.TextBox1.Text.ToString()!=""&&!check(this.TextBox1.Text.ToString(),DBfun)){insert=string.Format("insertintoCondition(ConditionContent)values('{0}')",this.TextBox1.Text.ToString());DBfun.ExecForNonQuery(insert);}if(this.TextBox2.Text.ToString()!=""&&!check(this.TextBox2.Text.ToString(),DBfun)){insert=string.Format("insertintoCondition(ConditionContent)values('{0}')",this.TextBox2.Text.ToString());DBfun.ExecForNonQuery(insert);}if(this.TextBox3.Text.ToString()!=""&&!check(this.TextBox3.Text.ToString(),DBfun)){insert=string.Format("insertintoCondition(ConditionContent)values('{0}')",this.TextBox3.Text.ToString());DBfun.ExecForNonQuery(insert);}if(this.TextBox4.Text.ToString()!=""&&!check(this.TextBox4.Text.ToString(),DBfun)){insert=string.Format("insertintoCondition(ConditionContent)values('{0}')",this.TextBox4.Text.ToString());DBfun.ExecForNonQuery(insert);}if(this.TextBox5.Text.ToString()!=""&&!check(this.TextBox5.Text.ToString(),DBfun)){insert=string.Format("insertintoCondition(ConditionContent)values('{0}')",this.TextBox5.Text.ToString());DBfun.ExecForNonQuery(insert);}if(this.TextBox6.Text.ToString()!=""&&!check(this.TextBox6.Text.ToString(),DBfun)){insert=string.Format("insertintoCondition(ConditionContent)values('{0}')",this.TextBox6.Text.ToString());DBfun.ExecForNonQuery(insert);}if(this.TextBox1.Text.ToString()!=""){insert=string.Format("selectConditionIDfromConditionwhereConditionContent='{0}'",this.TextBox1.Text.ToString());dt=DBfun.ExecforQuery(insert);condition[numbers]=Int32.Parse(dt.Rows[0]["ConditionID"].ToString());numbers++;}if(this.TextBox2.Text.ToString()!=""){insert=string.Format("selectConditionIDfromConditionwhereConditionContent='{0}'",this.TextBox2.Text.ToString());dt=DBfun.ExecforQuery(insert);condition[numbers]=Int32.Parse(dt.Rows[0]["ConditionID"].ToString());numbers++;}if(this.TextBox3.Text.ToString()!=""){insert=string.Format("selectConditionIDfromConditionwhereConditionContent='{0}'",this.TextBox3.Text.ToString());dt=DBfun.ExecforQuery(insert);condition[numbers]=Int32.Parse(dt.Rows[0]["ConditionID"].ToString());numbers++;}if(this.TextBox4.Text.ToString()!=""){insert=string.Format("selectConditionIDfromConditionwhereConditionContent='{0}'",this.TextBox4.Text.ToString());dt=DBfun.ExecforQuery(insert);condition[numbers]=Int32.Parse(dt.Rows[0]["ConditionID"].ToString());numbers++;}if(this.TextBox5.Text.ToString()!=""){insert=string.Format("selectConditionIDfromConditionwhereConditionContent='{0}'",this.TextBox5.Text.ToString());dt=DBfun.ExecforQuery(insert);condition[numbers]=Int32.Parse(dt.Rows[0]["ConditionID"].ToString());numbers++;}intposition=-1;if(numbers>0&&numbers<=5){stringsql_insert="insertintoprinciple(Condition1,Condition2,Condition3,Condition4,Condition5,Conclusion)values(";while(condition[position+1]!=-1){sql_insert+=condition[position+1].ToString()+",";position++;}for(intpos=position+1;pos<5;pos++){sql_insert+="NULL,";}insert=string.Format("selectConditionIDfromConditionwhereConditionContent='{0}'",this.TextBox6.Text.ToString());dt=DBfun.ExecforQuery(insert);sql_insert+=Int32.Parse(dt.Rows[0]["ConditionID"].ToString())+")";DBfun.ExecForNonQuery(sql_insert);this.Literal1.Text="操作成功";}elseif(numbers>5){this.Literal1.Text="不能選擇超過(guò)5個(gè)條件";}elseif(numbers==0){this.Literal1.Text="至少要有一個(gè)前件";}}}else{this.Literal1.Text="不能沒(méi)有結(jié)論";}} 4.4刪除規(guī)則單擊“刪除規(guī)則”按鈕，可實(shí)現(xiàn)對(duì)規(guī)則的刪除操作。主要源代碼：protectedvoidButton1_Click(objectsender,EventArgse)

{

inta=this.GridView1.SelectedInd