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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教* c# u# m% R( ?4 H, g
globals[1 S& g# N, ], R
xmax
3 O: h$ ^; V7 ^5 T( j5 c! jymax: ^4 X7 u6 x" r
global-reputation-list
) [ Y$ j7 s' {* Q. {/ \% f7 e) V$ a
;;每一个turtle的全局声誉都存在此LIST中/ e" \" e3 O# o: N/ m; N( r
credibility-list
1 {" z; o. U9 z# A6 d0 A6 a;;每一个turtle的评价可信度
?$ d' e' {/ Ghonest-service
0 c4 U! D% K* M* g$ e6 S1 \unhonest-service! X& i& q) J' n4 U
oscillation
1 `! Z! n( P vrand-dynamic. i, X8 C- }0 q _
]
9 ^. I* k( Y: `, `$ _0 E& ^% a) C4 L8 s9 m
turtles-own[: l6 y; f/ S" B& _
trade-record-all) ]7 L) y0 b" E
;;a list of lists,由trade-record-one组成
! G5 l4 N% N" y" u* H5 C" Q9 mtrade-record-one
& t0 n8 A a# Q2 e6 d;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
+ X3 m7 C5 \$ |
1 J4 D$ U' A* \;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]+ O2 N, |& L7 M1 T7 U8 B
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]0 f9 N% ]$ m7 A: a: S8 s) E7 I
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
; t# d' ~, @& i& K" H, O G& Yneighbor-total
. ?! r; e- D" F$ h* C;;记录该turtle的邻居节点的数目; L @+ {* b; F
trade-time! d# I7 S. g. O' f. Z) [
;;当前发生交易的turtle的交易时间* ]! E; O3 \0 r$ F" m; u
appraise-give
: W+ H, v) I9 K. t;;当前发生交易时给出的评价
2 U# x. O4 {0 x9 Sappraise-receive
. W' K- d |6 @$ m" X;;当前发生交易时收到的评价/ ~) I/ H- v5 S7 ?
appraise-time
# h: h9 ^: `8 t4 U( m# \6 _6 ?;;当前发生交易时的评价时间8 W0 ?9 G. @$ b9 J6 f5 P
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
* I6 b& l7 W. p% H7 atrade-times-total
* M* g! m+ j+ h3 i5 `;;与当前turtle的交易总次数
H- _5 S0 L. C5 G! s% j- strade-money-total: ~: n, e6 [# f1 O8 ?' v. i
;;与当前turtle的交易总金额
4 {2 f/ A7 S4 o" e- P, _8 S8 [local-reputation8 S# J& |1 l+ Q- ]# r) d
global-reputation
4 U+ ~- R' \% n3 c$ \5 P( H% K6 gcredibility% \# d+ N% _8 s; L0 F1 X& l4 x
;;评价可信度,每次交易后都需要更新
7 n. b- o% i+ s' dcredibility-all
% |8 w) o0 C, l$ Y9 z;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据/ ?/ y4 ?3 U! t( c# m
$ O) |% t2 ^9 ?0 z3 ^* {4 ` ]0 I. Z
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5
' \9 e* [1 f2 ^8 |+ g' Gcredibility-one6 \& I! H; ?$ U2 N- F% O6 o$ z# J
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
( ^4 e% m; C8 c( m6 `global-proportion
$ |0 s+ t$ z2 `* t! V2 s E0 ocustomer+ }% _# o3 B, l/ ?, W9 U7 ^! s5 z
customer-no
2 B4 h6 }* H' t! G$ J' Ttrust-ok: x P) D* d: d; P. w) V* @* I
trade-record-one-len;;trade-record-one的长度4 D# W) P2 |- }7 `2 i
]
6 ]5 H8 l: i3 u' { u
" E/ I# {0 P& y/ M& @" w;;setup procedure3 U6 w v% q2 K/ _* N. N
; i& ~! x _, l& qto setup! S7 v) _' q* f
7 o1 H7 a1 T1 l& ~ca* g* O3 O- ^/ R7 D
6 ~7 Q8 n% ]) W" n; \# sinitialize-settings
( K) g( F1 m/ K/ i$ i/ y
; B0 d0 @# C# [- l/ G# Y2 pcrt people [setup-turtles]
4 I) ^8 P2 p! X' l6 ?+ S: ^9 y4 T: N* t- A
reset-timer) u7 o: p( q5 q( V$ r. ^
: S1 _* W; a& Q2 i' w. K" k# A$ Hpoll-class4 i5 x5 i; |6 G4 |9 e1 B) m
, }) P( w P E5 ~& d0 U( csetup-plots9 X7 f& E/ D- m. A W
: y9 f. T2 `( _! |5 h' J0 N+ P, v
do-plots5 b! u. a2 x) h' K: w* E' P
end% N8 Y4 V5 w# X: a6 I$ p$ R
8 h8 U9 m! e. S
to initialize-settings0 P, J7 x' ?2 S
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set global-reputation-list []6 A$ D. n4 T8 N; q
1 [* P1 y/ h: E2 j+ G8 @
set credibility-list n-values people [0.5]8 m+ ~! P" ^/ l
! @% Z- p# Y/ ]7 E3 V; {) V
set honest-service 0- E, Z2 h( R/ |- `& V4 r
, M, D6 l9 t: t- @set unhonest-service 0+ w9 y) s9 i# }" L4 g
: i& R3 ?/ L! d m& |) Y. V
set oscillation 0
: `( [& V- L% _) J
; w( Y9 [ g. r/ \set rand-dynamic 05 Z6 V& R9 h" c
end6 q/ n9 P7 A* \6 x$ H. V |! ^6 A2 ^
( i" Q! i$ N" W+ f7 g3 kto setup-turtles 6 |: \8 R) N/ h7 W( o* L
set shape "person"
) _( ?" S/ T* i7 a4 J: |setxy random-xcor random-ycor- m L+ T H/ _
set trade-record-one []4 ^' H! l/ R- M
$ Z% v/ P4 c4 e6 Y! S9 w
set trade-record-all n-values people [(list (? + 1) 0 0)]
5 Y4 Q+ L+ X6 o! D& ]
/ H/ j* T v5 K( c/ S3 H1 Oset trade-record-current []* a4 X6 u! M! U
set credibility-receive []3 W4 [% b6 Z$ L0 Q: U$ I$ p6 d
set local-reputation 0.5" ?; k8 u9 ~( f F7 M' s% A7 e; n+ Z
set neighbor-total 0
" v* M4 Y' N* _7 M1 N3 c8 }% wset trade-times-total 07 b2 M7 Y4 B5 a( |
set trade-money-total 0
# U8 x9 ^1 V% A, R Jset customer nobody
, F. o7 e1 g5 N$ q$ L" R b9 Mset credibility-all n-values people [creat-credibility]
# w6 o- }+ j. wset credibility n-values people [-1]* `" J, C; e: o$ ~* k4 @2 N
get-color
3 d2 P4 y/ B% V5 ^' i
7 P h/ B& a. h" q+ ^end. P. }* U/ m D( j2 l# y: H2 ]
0 p' h" G! k1 }to-report creat-credibility" b; A& N8 b, [0 T& H C# D
report n-values people [0.5]- g" R& G; {" t0 N
end
3 h, ?" M% H. l Y" I E- U. m- @) G" @
to setup-plots+ K- a5 J0 I$ t; }- G/ k
6 M( e9 q( E, c" [0 O3 B5 T1 _9 o `set xmax 306 h- O5 K6 O6 n. }/ H2 G
" U# \& s8 V3 T; ~( d
set ymax 1.0% Q7 }- ^2 O: p% o* q+ v! C5 S
6 p) ]5 a& }* q a$ Kclear-all-plots& r/ u$ @$ f& r% |& z- G
6 Z, I5 I2 @6 C3 G1 ^8 ^( z1 y7 zsetup-plot1
; C8 d' [# b0 g4 m& n. @+ O; D5 j' f, O
setup-plot22 y! m* G/ D+ k6 w0 ]& W2 W
, O8 \% i* G2 nsetup-plot3% B3 c: v$ N2 Y$ j
end. C1 V& C7 ~4 n! g% h9 D
& s; `% l2 _, i: r. k2 d+ b;;run time procedures- Y: h# c0 T E
0 a( B1 C! a$ w; N3 X8 x0 S, _
to go8 E, e2 ~1 ^- m0 i O
: B, Q; }+ r* ]% yask turtles [do-business]# v) W4 g6 F$ y' ]
end9 V9 e5 g6 p8 t# J+ h' S
3 y1 j( m/ q, c3 J4 ?/ g6 H
to do-business
( f+ ]" Q) @2 h7 `7 K# ^5 E4 L
8 w e9 U* l( P4 g) R" G: B! h- w' X6 x( a* ], m
rt random 360
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' v1 r% ?6 y) E4 N9 h) Hfd 1
# w: I+ C: ] {( V1 m- P8 g! }: Y. _) K/ j3 b
ifelse(other turtles-here != nobody)[
* R$ |& i; E* I+ Y4 Y7 f! V$ n6 X9 V v2 [3 D% i$ u
set customer one-of other turtles-here9 T% G" V$ m% A& |, G$ k
) C( ~) a( |/ r+ \# g! R) R;; set [customer] of customer myself& {" Q4 }4 L5 ]2 c6 D- t/ R- f, H
1 e d1 r. S7 j, W2 U1 ]set [trade-record-one] of self item (([who] of customer) - 1)' U, B( T6 u7 @. y' ~0 j; [
[trade-record-all]of self" ^8 ~5 {# q# y3 R+ Z- `! A
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 p& {: I2 q, G) P' Q" H2 D: q1 ~. ]
set [trade-record-one] of customer item (([who] of self) - 1)% E, K( p6 b1 W) C9 }- [
[trade-record-all]of customer9 Z6 I) u( i" r
2 A) F' X3 P' O7 }! ?! Oset [trade-record-one-len] of self length [trade-record-one] of self
6 a5 X4 \4 Q* ?3 ~% P. a
: N$ C7 ~- \- Bset trade-record-current( list (timer) (random money-upper-limit))6 ]) N# J2 O/ C+ l( b
; Q0 z0 C! e! y, O( gask self [do-trust], ?+ X% A6 J% B. m( y& @3 o
;;先求i对j的信任度
3 D9 Q0 r0 `( o9 z1 E8 T9 z4 F Q1 P; C0 U
if ([trust-ok] of self)
1 X* B, W7 Y. Z4 `' U: f7 k;;根据i对j的信任度来决定是否与j进行交易[/ K; |9 k1 v7 I( q
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
2 I' y+ K4 c% N9 ?" u) g% s" ?1 S2 \0 t, R& [, S
[
) E* [1 s0 z* m0 z6 I+ [9 r% n) |( \. z2 Z, R) r" T' \9 ]" ^
do-trade
0 h" H, A8 R; t& B+ O+ U& T, c
c m( q/ [3 ]4 }6 G8 ^update-credibility-ijl
{* t) p. _4 y0 p: {- A! e7 }5 N& m
update-credibility-list- p( W J/ b7 _8 X% f7 e
. z+ o& _; o: c- o( k5 l4 B& } d; y& a8 P" f) h4 d
update-global-reputation-list* \% h1 c# i9 n& M- B H
; w7 o1 I$ B3 t0 i% V/ _& _poll-class2 ~1 b' C" N5 I6 F, D
7 [- z; F$ e# u: m) W) {get-color2 o M# a0 }. n+ J- r( j
/ H+ g! N1 u* ?9 s
]]
/ W- q% R3 x( i. o9 ^+ R& t9 c9 J
;;如果所得的信任度满足条件,则进行交易
7 \" Y% D' v' e6 w" P
A/ V( ?2 N& T1 B[
4 ^/ y1 g) J# \; P
4 v! F4 U7 v+ G7 [, M; r; d6 lrt random 3606 i" Q* F0 y! F+ Z- a
6 r8 V* w L, ~fd 1
: e0 q4 l. q" u a& h( l" u( ` p/ W/ k. W. |- e
]+ e- P) u6 V* G* B2 q
/ c0 }9 Q# l* ?2 u9 ^6 A8 r- n8 q
end1 {: j; O* Z1 k! u
# E9 \* q3 m/ `6 u* ^to do-trust 1 c7 d" T+ k3 J5 X( @7 Q
set trust-ok False
+ F; X$ r$ ~7 b. n' r7 w
8 q( P _# U( K' x( |% \2 C" E4 C6 r+ u d' g4 j
let max-trade-times 0' y& ~' m9 Q0 N0 A
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]3 ^$ N5 M8 i* G" \' d6 C
let max-trade-money 0- ?7 Q/ ^( u4 k
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
8 I: V, o" v% f1 Slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 j7 e" H/ \: L8 J* h0 b* a
; l# S- X! V/ g! u9 f s% O @0 _+ k$ Q9 k% l7 J' {, i
get-global-proportion
# {$ J- y) j" H$ Q; Y& Ilet trust-value6 U& d% j8 L8 \; P2 z7 Y/ K
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)( i& s4 X& [3 C# a) f
if(trust-value > trade-trust-value)- m. \- p2 i* r& e
[set trust-ok true]- T c% Y% \' Y) m
end S) w+ R% W6 q" \" j
$ C8 ~2 O7 `$ W5 b# _
to get-global-proportion! Q6 d: W1 W" g, B! i8 U. S. g7 ]* G
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)8 V7 ~+ {& b( ~
[set global-proportion 0]9 e& ~4 |) G% r9 }4 I }4 t( D1 X) f
[let i 0
* U0 g; L* S: E' Olet sum-money 02 ~8 G4 M+ f1 x- t
while[ i < people]
2 v f' @7 C$ P6 A[
1 i) D- H6 L8 U4 L$ x3 q; X5 lif( length (item i
) F; \3 I& G2 x[trade-record-all] of customer) > 3 )8 z u" f. E7 F
[+ W: C7 o) h; e6 d9 |; [
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( _$ C7 V1 G0 C% C
]
7 _; i' N) V) V+ }! a] I# k1 A: P$ N( I8 j
let j 0
+ O* r# |* T9 i9 Y$ ~6 f$ b& mlet note 0) e, f9 @& v$ G
while[ j < people]' G2 ]7 w7 l6 b; E1 b. @! ]' L% s, {' T
[
! J4 A- \& U3 Yif( length (item i! U! @; N7 j9 G7 K( v/ J' X
[trade-record-all] of customer) > 3 )
# |# k* S3 O1 H" e* c[
- ]2 f4 d0 e8 _/ W/ ^! g( I& }8 _ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) s O- `; P4 z1 H" A
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], U# q2 Y- t3 L& H' ]
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! L- f& V1 l# L; i% v) {1 w+ @
]* B) @* X: E, s- h
]
/ j+ v; ^& b/ }: c; }; cset global-proportion note8 O1 Z8 l# W; V& {1 d
]
) m$ S7 {+ R0 N8 send
3 J1 F6 _* a# P( B* g4 I: s. p& h
to do-trade4 o% S# x& n; h/ K7 n
;;这个过程实际上是给双方作出评价的过程
; }6 v. V+ }1 N% W$ ?& d1 iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
v0 P; V5 b! x, }/ X3 Jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 ]9 Z+ T, z8 U8 }- uset trade-record-current lput(timer) trade-record-current8 t, j2 R3 r) A( ~8 H
;;评价时间; c1 `$ ~4 r! P& h4 }
ask myself [6 I; O! {7 V/ x5 n1 U9 y( C P" ?
update-local-reputation
$ D+ o6 a4 n4 v1 W( mset trade-record-current lput([local-reputation] of myself) trade-record-current
3 G% U7 b5 @ t9 A]: k& k- H E7 S( b+ Q6 s+ n
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 } u9 t9 D a4 Z2 ~' M8 W! I# I
;;将此次交易的记录加入到trade-record-one中$ T, C$ n3 y6 I" \* j
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- J& d2 ^. }9 i" R' K, |
let note (item 2 trade-record-current )
* C/ n/ ^6 }3 I4 fset trade-record-current
+ U# X( R. _+ M* M. ~% @(replace-item 2 trade-record-current (item 3 trade-record-current))
: I ~7 O* G3 }3 B$ ~9 Y* @set trade-record-current) Z+ d0 g1 K, s( D, u$ l& d& M
(replace-item 3 trade-record-current note)* K+ L: S4 w/ w. b. Z
2 i* j/ {- S7 O$ W0 v4 W0 _" A) g8 e, ]' ~% }# |3 i
ask customer [! K, W+ V# x7 T% @- V+ X
update-local-reputation1 T7 q! {' z: U& q1 G7 V% l
set trade-record-current L' `7 u2 k/ k# q, c/ o
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) & v4 l# Y3 x2 H4 `
]5 I) ?) M/ I/ U3 X3 R" F
5 m& _# [+ G6 |) F4 B: L5 J2 w. @/ w6 J/ I
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer0 K9 S% B$ K* l- X/ T
$ {9 d) t) [/ C0 Mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))4 ]" Z( s4 t+ r4 Z' h: Z
;;将此次交易的记录加入到customer的trade-record-all中2 s. m8 u4 B1 F5 ]( X$ z7 V) t+ P' q
end
5 B" P, G9 g2 v: ]( T
& D5 Y$ h2 _" N( qto update-local-reputation7 \4 s2 i* V* q% b2 M7 ?& n
set [trade-record-one-len] of myself length [trade-record-one] of myself# _4 V3 X. A! Z
' \9 X9 Z4 _4 N8 `. o6 B, [# I& }, H. Y6 s4 ^
;;if [trade-record-one-len] of myself > 3 : J+ ?7 T3 H' @1 U
update-neighbor-total
0 P( G% N/ \2 ~" w;;更新邻居节点的数目,在此进行
( K+ k k% H, j9 wlet i 3
5 G* H$ [ S$ G- ^let sum-time 0
( b0 [1 |; V' f* b' a5 f7 Jwhile[i < [trade-record-one-len] of myself]& i4 H+ O2 I) u
[/ f0 y& h$ C& M# m; d) M" C
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) ~1 U( k9 o7 p4 [% q5 X9 [set i
' C, ~' `% l& [/ y) k# t9 S" p# G( i + 1)5 c; y4 i6 V; o% B3 v
]
0 p& S! p/ d& v9 W" v' Xlet j 3
2 Y; m+ ?4 z9 l/ `3 O/ y/ Flet sum-money 0
) W' n9 f: t- t* ?while[j < [trade-record-one-len] of myself]
( Y" o. {* z6 Q0 Q[/ W5 v* i9 t$ U7 r& b
set sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
+ |* v$ p, C2 X4 X W2 fset j
5 }& R1 ^' U- k. O% ]/ o5 \1 L: c( j + 1)
9 y2 V0 r! r8 @# q5 h# @]
. G: J6 N. ?- @5 v& Alet k 3
2 R6 K8 |% @# @: e# a7 ~# ^( }2 L7 qlet power 0
9 k/ Q# f+ ^9 M) p1 u1 U- zlet local 0
. ~0 `+ \8 v: L/ g W! p- @& _while [k <[trade-record-one-len] of myself]
; ]& R+ [) z. v- p/ r[# |7 t+ s0 M: K+ j& Y
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) 6 Q/ j q2 v9 B" q
set k (k + 1)6 K8 H# q* f* M8 A- b+ M
]
6 E; k% M% @! j0 j( o' kset [local-reputation] of myself (local)% H9 ~0 |& i' Z5 e% F
end
9 Z8 x% p" a9 Z& q9 s: f( m B1 _, Y6 b! K
to update-neighbor-total
! E# y) N6 v3 x' ^2 B: o9 r4 H9 B a
f" V" _: T3 _6 J- Zif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
# W. [' C' C& }0 R. i: V( H% |. J+ R9 t8 M- ~4 p% Z. m
) K I/ T( z* p% S$ I: f
end% C. Z4 H1 a$ O5 D6 x
( N$ y4 l8 |1 B* o+ S* x
to update-credibility-ijl 1 M. U! k/ _, z8 `
* Z: n( i1 p# e2 U. Z! I+ u;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
% f. {( S* E( j, xlet l 0) X; g/ z; m7 b5 o8 @
while[ l < people ]. Z! F/ c" j; _/ ?5 [3 n
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价
; B; l* k# [+ w+ x[1 ~% ]) D @, X9 u) D2 d: f
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)' O* J9 _" a6 T4 l- I8 }
if (trade-record-one-j-l-len > 3). |. d4 d5 O# H) v7 }& ?1 b
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
- i7 F9 v- r2 b' D) m6 N/ jlet i 3
& @! C5 Q# |( o! Zlet sum-time 0 G* K1 X) b) r; e+ |
while[i < trade-record-one-len]
5 [$ m4 U9 l* t8 a; y, G: B% Y* k[
' A! O& b% C5 Cset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )2 q8 C- t4 H/ D% P6 M" c
set i7 ]2 D6 N5 D5 @5 l, B; a" b" M
( i + 1)
5 u2 U. v% M. x7 o]+ b5 L" j/ @( P
let credibility-i-j-l 0
6 A6 v/ f% c6 a' \8 c4 i* T9 ?# Z;;i评价(j对jl的评价)
; v0 E9 U6 ]! ^1 E# f, ~, Mlet j 3
/ ?$ A* Q. t& [& y/ zlet k 4
- x Z: @- H# [2 dwhile[j < trade-record-one-len]
: l# Z7 s- n* }[' H0 a0 \0 Q1 `. p0 w
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉
9 H$ k( r4 t4 _set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)/ h0 z2 F9 Q! Z8 T* }" h
set j
6 d" v( v' W5 R* t' O f# I; V( j + 1)
* k6 E# Q( c% B9 f' M9 q- g1 c0 C3 \]; e7 l. [3 G$ J- q: ~
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))! p2 A) H/ ~2 \
. b2 }; M2 h: G2 Z9 @8 G) U/ U
a% f6 _4 R8 x. }2 p/ S0 }let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 D7 H' X/ t" A, X
;;及时更新i对l的评价质量的评价
# c( `% D6 _/ x Z1 ]5 C* B! Lset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- X- a7 i, c0 g: N
set l (l + 1)
" W8 O b( ~3 X3 E" v]
9 t, v9 o1 \+ E$ T) _% ?end4 }* G% z* l7 ]; e- m# X: n
# z7 d# l8 A5 L2 `, K
to update-credibility-list7 L* a* t; O; J6 S& S
let i 01 E& b( p) v# g
while[i < people]+ [. I8 ^6 M7 V ~( J
[3 K5 ~7 K* e+ ?5 U
let j 0
: m! f; T- p0 z5 {let note 06 S, l0 U" `( g0 i2 S
let k 0% Z, S2 w% N' @/ B
;;计作出过评价的邻居节点的数目
0 i) g+ C+ E, _! uwhile[j < people]: q$ G$ G9 H+ Z: S' e
[
" C* G0 N$ \7 w. X4 A1 kif (item j( [credibility] of turtle (i + 1)) != -1); r4 }- w t4 f* ^$ }' }
;;判断是否给本turtle的评价质量做出过评价的节点7 a; I2 `: i9 ?/ f& H' W0 X
[set note (note + item j ([credibility]of turtle (i + 1)))* v8 d2 [4 h8 J( r* _ J
;;*(exp (-(people - 2)))/(people - 2))]
, k; k& Y% L3 s7 nset k (k + 1)- x, `' M3 e- l7 k
]/ ^0 N6 v. F9 C; v* L! Q
set j (j + 1)+ @, D( T0 H- ] c* {
]3 W4 j+ }3 b( d4 V( q4 C+ G
set note (note *(exp (- (1 / k)))/ k); d# M7 g. u9 M
set credibility-list (replace-item i credibility-list note)
9 d V+ B2 [& ^1 ]* W7 o8 o* G4 O: vset i (i + 1)
% K @0 r/ q. z& H]
- H% S( l2 n* _# x: K) Tend: O+ W. ~( v4 l8 Z x
3 G7 ?) j& N+ J! lto update-global-reputation-list
7 U4 w3 X$ ^$ ], o3 P2 Klet j 07 }" e/ D/ ?3 v4 S8 ^( O5 H; J
while[j < people]
& r/ v; j$ e# w% e; s[
* t& N4 I! k( W# }2 Ylet new 0) e6 V# e4 Y* j0 v4 c6 I- u
;;暂存新的一个全局声誉
7 |8 z. T: s, wlet i 0
, I& T+ z' o5 L0 T9 r+ Z) |$ b+ O) blet sum-money 0
% d. Z( L! O5 ]4 O) N1 Mlet credibility-money 0
5 Q, O! E" G9 \; L5 e# {9 H1 M& nwhile [i < people]- B1 @4 ]0 U9 g, ? l
[
6 v- c; T& t0 Z0 d" G, @set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))8 `) A: J( Y. J9 {; p! R- X6 P
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 E7 T5 I- w3 L$ g, K
set i (i + 1)" {; k' w" g# U7 y' t
]+ b5 V2 D& M9 \) v/ q5 ?6 N- p
let k 0
9 t, Y4 L' \9 ~ N+ glet new1 0
) m. R+ S1 ?4 ^* K7 Rwhile [k < people]# r$ v1 y( {( ^# J
[, h/ G9 D7 W x) ~- `! o
set new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
2 }$ g# G2 F# V# X/ u9 a% I" e/ K8 ^set k (k + 1)- X" w2 F$ g" M& m7 \
]
' ~* R7 d5 v0 M9 X- zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( n$ \9 u9 ~; H* R! oset global-reputation-list (replace-item j global-reputation-list new). U M9 q4 M) L0 @! R; E. o) x
set j (j + 1). a2 ~7 o/ ]3 R7 ~6 S" `, C
]
: f: z# k- _/ @$ D Iend
6 D- ` \/ u0 U. A/ \* D; E. g
: \& t: Q/ x. N0 N+ S9 s3 w' F# J& j/ h: s6 j( R8 C
' k' Q: S) q, | q8 q% {
to get-color
) ]1 j3 X; H# d' ?
( j6 {4 P2 b, Vset color blue2 p+ a: D T# d% I$ e y. }4 s
end7 U2 V6 V/ I. O+ Q/ z5 s
$ ?, Y4 }+ u. Kto poll-class
8 D0 |& X4 t/ j7 C5 T1 eend9 S: O6 z) z1 t. I5 L0 q
5 h( q7 h- n; S, q K% {5 b) a
to setup-plot1
9 c7 c8 p/ z. p3 q' Y6 N& g4 m3 p% j1 G
set-current-plot "Trends-of-Local-reputation"7 b2 c# D0 k# b" V
/ Q+ K6 O* h( B/ I& Xset-plot-x-range 0 xmax
4 N B% {$ m5 U/ K6 }4 s% r" R4 n( H& d9 r: ], ~6 ^
set-plot-y-range 0.0 ymax- Q* X* E5 p8 A3 r2 p$ {
end
- t8 ^' F3 x$ t- A C6 j2 [ Z. N: ], v( a
to setup-plot2/ {# s+ M0 x2 X# |1 {) x# Z
' h% Y' E( @4 |" w- q) n& H) r
set-current-plot "Trends-of-global-reputation"
4 @" U$ T# k' ^3 K9 @( B* K! ]; q7 p( U# j3 e
set-plot-x-range 0 xmax
; Z' }+ _0 Z& ]% s% Z8 E. P
) v0 E: K5 J3 I8 g, d* i# c$ Pset-plot-y-range 0.0 ymax3 g/ ?5 j: L$ I( B# c" w7 e
end9 a( k# K2 s( B4 |8 q
5 v, P9 ?. q+ ?0 Y/ u7 U' ]8 t
to setup-plot3( |4 Z4 G9 D* m9 k, g1 O$ [4 Y
1 ~7 n$ y) W3 t: ~) j% p$ b; m$ C
set-current-plot "Trends-of-credibility"
6 q2 W, J N. X9 e; l# T5 V
. R8 b& O5 \* Sset-plot-x-range 0 xmax
8 a" Y# {$ q0 [ R+ }" ]4 h) E# G+ {( e3 M
set-plot-y-range 0.0 ymax
5 s3 M5 h" H. }+ A. S9 g8 Cend
( o8 C) D* U4 L$ E5 U; ^! X$ |) E0 C# U0 W4 P% m
to do-plots
: R; g* A; [/ P+ Aset-current-plot "Trends-of-Local-reputation"
5 v2 n! t3 V: j7 G$ w/ M% A* \. x2 Qset-current-plot-pen "Honest service"
1 x, b" g2 f5 @2 w o% ^* Z6 g \" Jend
6 h( s: n, P. p) K; t0 D! ~# M6 X8 U
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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